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-rw-r--r--runsc/boot/BUILD1
-rw-r--r--runsc/cmd/BUILD2
-rw-r--r--runsc/cmd/capability_test.go9
-rw-r--r--runsc/container/BUILD6
-rw-r--r--runsc/container/console_test.go115
-rw-r--r--runsc/container/container.go2
-rw-r--r--runsc/container/container_norace_test.go20
-rw-r--r--runsc/container/container_race_test.go20
-rw-r--r--runsc/container/container_test.go2046
-rw-r--r--runsc/container/multi_container_test.go1161
-rw-r--r--runsc/container/shared_volume_test.go18
-rw-r--r--runsc/container/test_app/BUILD21
-rw-r--r--runsc/container/test_app/fds.go185
-rw-r--r--runsc/container/test_app/test_app.go394
-rw-r--r--runsc/criutil/BUILD11
-rw-r--r--runsc/criutil/criutil.go277
-rw-r--r--runsc/dockerutil/BUILD14
-rw-r--r--runsc/dockerutil/dockerutil.go486
-rw-r--r--runsc/testutil/BUILD21
-rw-r--r--runsc/testutil/testutil.go433
-rw-r--r--runsc/testutil/testutil_runfiles.go75
21 files changed, 1711 insertions, 3606 deletions
diff --git a/runsc/boot/BUILD b/runsc/boot/BUILD
index 72c2fe381..69dcc74f2 100644
--- a/runsc/boot/BUILD
+++ b/runsc/boot/BUILD
@@ -23,6 +23,7 @@ go_library(
"vfs.go",
],
visibility = [
+ "//pkg/test:__subpackages__",
"//runsc:__subpackages__",
"//test:__subpackages__",
],
diff --git a/runsc/cmd/BUILD b/runsc/cmd/BUILD
index 4900fbe16..af3538ef0 100644
--- a/runsc/cmd/BUILD
+++ b/runsc/cmd/BUILD
@@ -82,11 +82,11 @@ go_test(
"//pkg/log",
"//pkg/sentry/control",
"//pkg/sentry/kernel/auth",
+ "//pkg/test/testutil",
"//pkg/urpc",
"//runsc/boot",
"//runsc/container",
"//runsc/specutils",
- "//runsc/testutil",
"@com_github_google_go-cmp//cmp:go_default_library",
"@com_github_google_go-cmp//cmp/cmpopts:go_default_library",
"@com_github_opencontainers_runtime-spec//specs-go:go_default_library",
diff --git a/runsc/cmd/capability_test.go b/runsc/cmd/capability_test.go
index 9360d7442..a84067112 100644
--- a/runsc/cmd/capability_test.go
+++ b/runsc/cmd/capability_test.go
@@ -23,10 +23,10 @@ import (
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/syndtr/gocapability/capability"
"gvisor.dev/gvisor/pkg/log"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/runsc/boot"
"gvisor.dev/gvisor/runsc/container"
"gvisor.dev/gvisor/runsc/specutils"
- "gvisor.dev/gvisor/runsc/testutil"
)
func init() {
@@ -90,16 +90,15 @@ func TestCapabilities(t *testing.T) {
// Use --network=host to make sandbox use spec's capabilities.
conf.Network = boot.NetworkHost
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := container.Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
diff --git a/runsc/container/BUILD b/runsc/container/BUILD
index 0aaeea3a8..331b8e866 100644
--- a/runsc/container/BUILD
+++ b/runsc/container/BUILD
@@ -33,13 +33,15 @@ go_test(
size = "large",
srcs = [
"console_test.go",
+ "container_norace_test.go",
+ "container_race_test.go",
"container_test.go",
"multi_container_test.go",
"shared_volume_test.go",
],
data = [
"//runsc",
- "//runsc/container/test_app",
+ "//test/cmd/test_app",
],
library = ":container",
shard_count = 5,
@@ -54,12 +56,12 @@ go_test(
"//pkg/sentry/kernel",
"//pkg/sentry/kernel/auth",
"//pkg/sync",
+ "//pkg/test/testutil",
"//pkg/unet",
"//pkg/urpc",
"//runsc/boot",
"//runsc/boot/platforms",
"//runsc/specutils",
- "//runsc/testutil",
"@com_github_cenkalti_backoff//:go_default_library",
"@com_github_kr_pty//:go_default_library",
"@com_github_opencontainers_runtime-spec//specs-go:go_default_library",
diff --git a/runsc/container/console_test.go b/runsc/container/console_test.go
index af245b6d8..294dca5e7 100644
--- a/runsc/container/console_test.go
+++ b/runsc/container/console_test.go
@@ -29,9 +29,9 @@ import (
"gvisor.dev/gvisor/pkg/sentry/control"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sync"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/pkg/unet"
"gvisor.dev/gvisor/pkg/urpc"
- "gvisor.dev/gvisor/runsc/testutil"
)
// socketPath creates a path inside bundleDir and ensures that the returned
@@ -58,25 +58,26 @@ func socketPath(bundleDir string) (string, error) {
}
// createConsoleSocket creates a socket at the given path that will receive a
-// console fd from the sandbox. If no error occurs, it returns the server
-// socket and a cleanup function.
-func createConsoleSocket(path string) (*unet.ServerSocket, func() error, error) {
+// console fd from the sandbox. If an error occurs, t.Fatalf will be called.
+// The function returning should be deferred as cleanup.
+func createConsoleSocket(t *testing.T, path string) (*unet.ServerSocket, func()) {
+ t.Helper()
srv, err := unet.BindAndListen(path, false)
if err != nil {
- return nil, nil, fmt.Errorf("error binding and listening to socket %q: %v", path, err)
+ t.Fatalf("error binding and listening to socket %q: %v", path, err)
}
- cleanup := func() error {
+ cleanup := func() {
+ // Log errors; nothing can be done.
if err := srv.Close(); err != nil {
- return fmt.Errorf("error closing socket %q: %v", path, err)
+ t.Logf("error closing socket %q: %v", path, err)
}
if err := os.Remove(path); err != nil {
- return fmt.Errorf("error removing socket %q: %v", path, err)
+ t.Logf("error removing socket %q: %v", path, err)
}
- return nil
}
- return srv, cleanup, nil
+ return srv, cleanup
}
// receiveConsolePTY accepts a connection on the server socket and reads fds.
@@ -118,45 +119,42 @@ func receiveConsolePTY(srv *unet.ServerSocket) (*os.File, error) {
// Test that an pty FD is sent over the console socket if one is provided.
func TestConsoleSocket(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
- spec := testutil.NewSpecWithArgs("true")
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs("true")
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- sock, err := socketPath(bundleDir)
- if err != nil {
- t.Fatalf("error getting socket path: %v", err)
- }
- srv, cleanup, err := createConsoleSocket(sock)
- if err != nil {
- t.Fatalf("error creating socket at %q: %v", sock, err)
- }
- defer cleanup()
-
- // Create the container and pass the socket name.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- ConsoleSocket: sock,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
+ sock, err := socketPath(bundleDir)
+ if err != nil {
+ t.Fatalf("error getting socket path: %v", err)
+ }
+ srv, cleanup := createConsoleSocket(t, sock)
+ defer cleanup()
+
+ // Create the container and pass the socket name.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ ConsoleSocket: sock,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
- // Make sure we get a console PTY.
- ptyMaster, err := receiveConsolePTY(srv)
- if err != nil {
- t.Fatalf("error receiving console FD: %v", err)
- }
- ptyMaster.Close()
+ // Make sure we get a console PTY.
+ ptyMaster, err := receiveConsolePTY(srv)
+ if err != nil {
+ t.Fatalf("error receiving console FD: %v", err)
+ }
+ ptyMaster.Close()
+ })
}
}
@@ -165,16 +163,15 @@ func TestJobControlSignalExec(t *testing.T) {
spec := testutil.NewSpecWithArgs("/bin/sleep", "10000")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -292,26 +289,22 @@ func TestJobControlSignalRootContainer(t *testing.T) {
spec := testutil.NewSpecWithArgs("/bin/bash", "--noprofile", "--norc")
spec.Process.Terminal = true
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
sock, err := socketPath(bundleDir)
if err != nil {
t.Fatalf("error getting socket path: %v", err)
}
- srv, cleanup, err := createConsoleSocket(sock)
- if err != nil {
- t.Fatalf("error creating socket at %q: %v", sock, err)
- }
+ srv, cleanup := createConsoleSocket(t, sock)
defer cleanup()
// Create the container and pass the socket name.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
ConsoleSocket: sock,
@@ -368,7 +361,7 @@ func TestJobControlSignalRootContainer(t *testing.T) {
{PID: 1, Cmd: "bash", Threads: []kernel.ThreadID{1}},
}
if err := waitForProcessList(c, expectedPL); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Execute sleep via the terminal.
@@ -377,7 +370,7 @@ func TestJobControlSignalRootContainer(t *testing.T) {
// Wait for sleep to start.
expectedPL = append(expectedPL, &control.Process{PID: 2, PPID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{2}})
if err := waitForProcessList(c, expectedPL); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Reset the pty buffer, so there is less output for us to scan later.
diff --git a/runsc/container/container.go b/runsc/container/container.go
index 7233659b1..117ea7d7b 100644
--- a/runsc/container/container.go
+++ b/runsc/container/container.go
@@ -274,7 +274,7 @@ func New(conf *boot.Config, args Args) (*Container, error) {
}
if err := os.MkdirAll(conf.RootDir, 0711); err != nil {
- return nil, fmt.Errorf("creating container root directory: %v", err)
+ return nil, fmt.Errorf("creating container root directory %q: %v", conf.RootDir, err)
}
c := &Container{
diff --git a/runsc/container/container_norace_test.go b/runsc/container/container_norace_test.go
new file mode 100644
index 000000000..838c1e20a
--- /dev/null
+++ b/runsc/container/container_norace_test.go
@@ -0,0 +1,20 @@
+// Copyright 2018 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !race
+
+package container
+
+// Allow both kvm and ptrace for non-race builds.
+var platformOptions = []configOption{ptrace, kvm}
diff --git a/runsc/container/container_race_test.go b/runsc/container/container_race_test.go
new file mode 100644
index 000000000..9fb4c4fc0
--- /dev/null
+++ b/runsc/container/container_race_test.go
@@ -0,0 +1,20 @@
+// Copyright 2018 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build race
+
+package container
+
+// Only enabled ptrace with race builds.
+var platformOptions = []configOption{ptrace}
diff --git a/runsc/container/container_test.go b/runsc/container/container_test.go
index 5db6d64aa..3ff89f38c 100644
--- a/runsc/container/container_test.go
+++ b/runsc/container/container_test.go
@@ -39,10 +39,10 @@ import (
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
"gvisor.dev/gvisor/pkg/sync"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/runsc/boot"
"gvisor.dev/gvisor/runsc/boot/platforms"
"gvisor.dev/gvisor/runsc/specutils"
- "gvisor.dev/gvisor/runsc/testutil"
)
// waitForProcessList waits for the given process list to show up in the container.
@@ -215,16 +215,15 @@ func readOutputNum(file string, position int) (int, error) {
// run starts the sandbox and waits for it to exit, checking that the
// application succeeded.
func run(spec *specs.Spec, conf *boot.Config) error {
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
return fmt.Errorf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create, start and wait for the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
Attached: true,
@@ -243,35 +242,41 @@ type configOption int
const (
overlay configOption = iota
+ ptrace
kvm
nonExclusiveFS
)
-var noOverlay = []configOption{kvm, nonExclusiveFS}
-var all = append(noOverlay, overlay)
+var (
+ noOverlay = append(platformOptions, nonExclusiveFS)
+ all = append(noOverlay, overlay)
+)
// configs generates different configurations to run tests.
-func configs(t *testing.T, opts ...configOption) []*boot.Config {
+func configs(t *testing.T, opts ...configOption) map[string]*boot.Config {
// Always load the default config.
- cs := []*boot.Config{testutil.TestConfig(t)}
-
+ cs := make(map[string]*boot.Config)
for _, o := range opts {
- c := testutil.TestConfig(t)
switch o {
case overlay:
+ c := testutil.TestConfig(t)
c.Overlay = true
+ cs["overlay"] = c
+ case ptrace:
+ c := testutil.TestConfig(t)
+ c.Platform = platforms.Ptrace
+ cs["ptrace"] = c
case kvm:
- // TODO(b/112165693): KVM tests are flaky. Disable until fixed.
- continue
-
+ c := testutil.TestConfig(t)
c.Platform = platforms.KVM
+ cs["kvm"] = c
case nonExclusiveFS:
+ c := testutil.TestConfig(t)
c.FileAccess = boot.FileAccessShared
+ cs["non-exclusive"] = c
default:
panic(fmt.Sprintf("unknown config option %v", o))
-
}
- cs = append(cs, c)
}
return cs
}
@@ -285,133 +290,133 @@ func TestLifecycle(t *testing.T) {
childReaper.Start()
defer childReaper.Stop()
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
- // The container will just sleep for a long time. We will kill it before
- // it finishes sleeping.
- spec := testutil.NewSpecWithArgs("sleep", "100")
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ // The container will just sleep for a long time. We will kill it before
+ // it finishes sleeping.
+ spec := testutil.NewSpecWithArgs("sleep", "100")
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
-
- // expectedPL lists the expected process state of the container.
- expectedPL := []*control.Process{
- {
- UID: 0,
- PID: 1,
- PPID: 0,
- C: 0,
- Cmd: "sleep",
- Threads: []kernel.ThreadID{1},
- },
- }
- // Create the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
-
- // Load the container from disk and check the status.
- c, err = Load(rootDir, args.ID)
- if err != nil {
- t.Fatalf("error loading container: %v", err)
- }
- if got, want := c.Status, Created; got != want {
- t.Errorf("container status got %v, want %v", got, want)
- }
+ rootDir, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // List should return the container id.
- ids, err := List(rootDir)
- if err != nil {
- t.Fatalf("error listing containers: %v", err)
- }
- if got, want := ids, []string{args.ID}; !reflect.DeepEqual(got, want) {
- t.Errorf("container list got %v, want %v", got, want)
- }
+ // expectedPL lists the expected process state of the container.
+ expectedPL := []*control.Process{
+ {
+ UID: 0,
+ PID: 1,
+ PPID: 0,
+ C: 0,
+ Cmd: "sleep",
+ Threads: []kernel.ThreadID{1},
+ },
+ }
+ // Create the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
- // Start the container.
- if err := c.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Load the container from disk and check the status.
+ c, err = Load(rootDir, args.ID)
+ if err != nil {
+ t.Fatalf("error loading container: %v", err)
+ }
+ if got, want := c.Status, Created; got != want {
+ t.Errorf("container status got %v, want %v", got, want)
+ }
- // Load the container from disk and check the status.
- c, err = Load(rootDir, args.ID)
- if err != nil {
- t.Fatalf("error loading container: %v", err)
- }
- if got, want := c.Status, Running; got != want {
- t.Errorf("container status got %v, want %v", got, want)
- }
+ // List should return the container id.
+ ids, err := List(rootDir)
+ if err != nil {
+ t.Fatalf("error listing containers: %v", err)
+ }
+ if got, want := ids, []string{args.ID}; !reflect.DeepEqual(got, want) {
+ t.Errorf("container list got %v, want %v", got, want)
+ }
- // Verify that "sleep 100" is running.
- if err := waitForProcessList(c, expectedPL); err != nil {
- t.Error(err)
- }
+ // Start the container.
+ if err := c.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Wait on the container.
- var wg sync.WaitGroup
- wg.Add(1)
- ch := make(chan struct{})
- go func() {
- ch <- struct{}{}
- ws, err := c.Wait()
+ // Load the container from disk and check the status.
+ c, err = Load(rootDir, args.ID)
if err != nil {
- t.Fatalf("error waiting on container: %v", err)
+ t.Fatalf("error loading container: %v", err)
}
- if got, want := ws.Signal(), syscall.SIGTERM; got != want {
- t.Fatalf("got signal %v, want %v", got, want)
+ if got, want := c.Status, Running; got != want {
+ t.Errorf("container status got %v, want %v", got, want)
}
- wg.Done()
- }()
- // Wait a bit to ensure that we've started waiting on the
- // container before we signal.
- <-ch
- time.Sleep(100 * time.Millisecond)
- // Send the container a SIGTERM which will cause it to stop.
- if err := c.SignalContainer(syscall.SIGTERM, false); err != nil {
- t.Fatalf("error sending signal %v to container: %v", syscall.SIGTERM, err)
- }
- // Wait for it to die.
- wg.Wait()
+ // Verify that "sleep 100" is running.
+ if err := waitForProcessList(c, expectedPL); err != nil {
+ t.Error(err)
+ }
- // Load the container from disk and check the status.
- c, err = Load(rootDir, args.ID)
- if err != nil {
- t.Fatalf("error loading container: %v", err)
- }
- if got, want := c.Status, Stopped; got != want {
- t.Errorf("container status got %v, want %v", got, want)
- }
+ // Wait on the container.
+ ch := make(chan error)
+ go func() {
+ ws, err := c.Wait()
+ if err != nil {
+ ch <- err
+ }
+ if got, want := ws.Signal(), syscall.SIGTERM; got != want {
+ ch <- fmt.Errorf("got signal %v, want %v", got, want)
+ }
+ ch <- nil
+ }()
- // Destroy the container.
- if err := c.Destroy(); err != nil {
- t.Fatalf("error destroying container: %v", err)
- }
+ // Wait a bit to ensure that we've started waiting on
+ // the container before we signal.
+ time.Sleep(time.Second)
- // List should not return the container id.
- ids, err = List(rootDir)
- if err != nil {
- t.Fatalf("error listing containers: %v", err)
- }
- if len(ids) != 0 {
- t.Errorf("expected container list to be empty, but got %v", ids)
- }
+ // Send the container a SIGTERM which will cause it to stop.
+ if err := c.SignalContainer(syscall.SIGTERM, false); err != nil {
+ t.Fatalf("error sending signal %v to container: %v", syscall.SIGTERM, err)
+ }
- // Loading the container by id should fail.
- if _, err = Load(rootDir, args.ID); err == nil {
- t.Errorf("expected loading destroyed container to fail, but it did not")
- }
+ // Wait for it to die.
+ if err := <-ch; err != nil {
+ t.Fatalf("error waiting for container: %v", err)
+ }
+
+ // Load the container from disk and check the status.
+ c, err = Load(rootDir, args.ID)
+ if err != nil {
+ t.Fatalf("error loading container: %v", err)
+ }
+ if got, want := c.Status, Stopped; got != want {
+ t.Errorf("container status got %v, want %v", got, want)
+ }
+
+ // Destroy the container.
+ if err := c.Destroy(); err != nil {
+ t.Fatalf("error destroying container: %v", err)
+ }
+
+ // List should not return the container id.
+ ids, err = List(rootDir)
+ if err != nil {
+ t.Fatalf("error listing containers: %v", err)
+ }
+ if len(ids) != 0 {
+ t.Errorf("expected container list to be empty, but got %v", ids)
+ }
+
+ // Loading the container by id should fail.
+ if _, err = Load(rootDir, args.ID); err == nil {
+ t.Errorf("expected loading destroyed container to fail, but it did not")
+ }
+ })
}
}
@@ -420,12 +425,14 @@ func TestExePath(t *testing.T) {
// Create two directories that will be prepended to PATH.
firstPath, err := ioutil.TempDir(testutil.TmpDir(), "first")
if err != nil {
- t.Fatal(err)
+ t.Fatalf("error creating temporary directory: %v", err)
}
+ defer os.RemoveAll(firstPath)
secondPath, err := ioutil.TempDir(testutil.TmpDir(), "second")
if err != nil {
- t.Fatal(err)
+ t.Fatalf("error creating temporary directory: %v", err)
}
+ defer os.RemoveAll(secondPath)
// Create two minimal executables in the second path, two of which
// will be masked by files in first path.
@@ -433,11 +440,11 @@ func TestExePath(t *testing.T) {
path := filepath.Join(secondPath, p)
f, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0777)
if err != nil {
- t.Fatal(err)
+ t.Fatalf("error opening path: %v", err)
}
defer f.Close()
if _, err := io.WriteString(f, "#!/bin/true\n"); err != nil {
- t.Fatal(err)
+ t.Fatalf("error writing contents: %v", err)
}
}
@@ -446,7 +453,7 @@ func TestExePath(t *testing.T) {
nonExecutable := filepath.Join(firstPath, "masked1")
f2, err := os.OpenFile(nonExecutable, os.O_CREATE|os.O_EXCL, 0666)
if err != nil {
- t.Fatal(err)
+ t.Fatalf("error opening file: %v", err)
}
f2.Close()
@@ -454,68 +461,69 @@ func TestExePath(t *testing.T) {
// executable in the second.
nonRegular := filepath.Join(firstPath, "masked2")
if err := os.Mkdir(nonRegular, 0777); err != nil {
- t.Fatal(err)
- }
-
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
- for _, test := range []struct {
- path string
- success bool
- }{
- {path: "true", success: true},
- {path: "bin/true", success: true},
- {path: "/bin/true", success: true},
- {path: "thisfiledoesntexit", success: false},
- {path: "bin/thisfiledoesntexit", success: false},
- {path: "/bin/thisfiledoesntexit", success: false},
-
- {path: "unmasked", success: true},
- {path: filepath.Join(firstPath, "unmasked"), success: false},
- {path: filepath.Join(secondPath, "unmasked"), success: true},
-
- {path: "masked1", success: true},
- {path: filepath.Join(firstPath, "masked1"), success: false},
- {path: filepath.Join(secondPath, "masked1"), success: true},
-
- {path: "masked2", success: true},
- {path: filepath.Join(firstPath, "masked2"), success: false},
- {path: filepath.Join(secondPath, "masked2"), success: true},
- } {
- spec := testutil.NewSpecWithArgs(test.path)
- spec.Process.Env = []string{
- fmt.Sprintf("PATH=%s:%s:%s", firstPath, secondPath, os.Getenv("PATH")),
- }
-
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("exec: %s, error setting up container: %v", test.path, err)
- }
-
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- Attached: true,
- }
- ws, err := Run(conf, args)
+ t.Fatalf("error making directory: %v", err)
+ }
+
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ for _, test := range []struct {
+ path string
+ success bool
+ }{
+ {path: "true", success: true},
+ {path: "bin/true", success: true},
+ {path: "/bin/true", success: true},
+ {path: "thisfiledoesntexit", success: false},
+ {path: "bin/thisfiledoesntexit", success: false},
+ {path: "/bin/thisfiledoesntexit", success: false},
+
+ {path: "unmasked", success: true},
+ {path: filepath.Join(firstPath, "unmasked"), success: false},
+ {path: filepath.Join(secondPath, "unmasked"), success: true},
+
+ {path: "masked1", success: true},
+ {path: filepath.Join(firstPath, "masked1"), success: false},
+ {path: filepath.Join(secondPath, "masked1"), success: true},
+
+ {path: "masked2", success: true},
+ {path: filepath.Join(firstPath, "masked2"), success: false},
+ {path: filepath.Join(secondPath, "masked2"), success: true},
+ } {
+ t.Run(fmt.Sprintf("path=%s,success=%t", test.path, test.success), func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs(test.path)
+ spec.Process.Env = []string{
+ fmt.Sprintf("PATH=%s:%s:%s", firstPath, secondPath, os.Getenv("PATH")),
+ }
- os.RemoveAll(rootDir)
- os.RemoveAll(bundleDir)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("exec: error setting up container: %v", err)
+ }
+ defer cleanup()
- if test.success {
- if err != nil {
- t.Errorf("exec: %s, error running container: %v", test.path, err)
- }
- if ws.ExitStatus() != 0 {
- t.Errorf("exec: %s, got exit status %v want %v", test.path, ws.ExitStatus(), 0)
- }
- } else {
- if err == nil {
- t.Errorf("exec: %s, got: no error, want: error", test.path)
- }
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ Attached: true,
+ }
+ ws, err := Run(conf, args)
+
+ if test.success {
+ if err != nil {
+ t.Errorf("exec: error running container: %v", err)
+ }
+ if ws.ExitStatus() != 0 {
+ t.Errorf("exec: got exit status %v want %v", ws.ExitStatus(), 0)
+ }
+ } else {
+ if err == nil {
+ t.Errorf("exec: got: no error, want: error")
+ }
+ }
+ })
}
- }
+ })
}
}
@@ -534,15 +542,14 @@ func doAppExitStatus(t *testing.T, vfs2 bool) {
succSpec := testutil.NewSpecWithArgs("true")
conf := testutil.TestConfig(t)
conf.VFS2 = vfs2
- rootDir, bundleDir, err := testutil.SetupContainer(succSpec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(succSpec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: succSpec,
BundleDir: bundleDir,
Attached: true,
@@ -559,15 +566,14 @@ func doAppExitStatus(t *testing.T, vfs2 bool) {
wantStatus := 123
errSpec := testutil.NewSpecWithArgs("bash", "-c", fmt.Sprintf("exit %d", wantStatus))
- rootDir2, bundleDir2, err := testutil.SetupContainer(errSpec, conf)
+ _, bundleDir2, cleanup2, err := testutil.SetupContainer(errSpec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir2)
- defer os.RemoveAll(bundleDir2)
+ defer cleanup2()
args2 := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: errSpec,
BundleDir: bundleDir2,
Attached: true,
@@ -583,166 +589,163 @@ func doAppExitStatus(t *testing.T, vfs2 bool) {
// TestExec verifies that a container can exec a new program.
func TestExec(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ const uid = 343
+ spec := testutil.NewSpecWithArgs("sleep", "100")
- const uid = 343
- spec := testutil.NewSpecWithArgs("sleep", "100")
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ // Create and start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont.Destroy()
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Create and start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // expectedPL lists the expected process state of the container.
+ expectedPL := []*control.Process{
+ {
+ UID: 0,
+ PID: 1,
+ PPID: 0,
+ C: 0,
+ Cmd: "sleep",
+ Threads: []kernel.ThreadID{1},
+ },
+ {
+ UID: uid,
+ PID: 2,
+ PPID: 0,
+ C: 0,
+ Cmd: "sleep",
+ Threads: []kernel.ThreadID{2},
+ },
+ }
- // expectedPL lists the expected process state of the container.
- expectedPL := []*control.Process{
- {
- UID: 0,
- PID: 1,
- PPID: 0,
- C: 0,
- Cmd: "sleep",
- Threads: []kernel.ThreadID{1},
- },
- {
- UID: uid,
- PID: 2,
- PPID: 0,
- C: 0,
- Cmd: "sleep",
- Threads: []kernel.ThreadID{2},
- },
- }
+ // Verify that "sleep 100" is running.
+ if err := waitForProcessList(cont, expectedPL[:1]); err != nil {
+ t.Error(err)
+ }
- // Verify that "sleep 100" is running.
- if err := waitForProcessList(cont, expectedPL[:1]); err != nil {
- t.Error(err)
- }
+ execArgs := &control.ExecArgs{
+ Filename: "/bin/sleep",
+ Argv: []string{"/bin/sleep", "5"},
+ WorkingDirectory: "/",
+ KUID: uid,
+ }
- execArgs := &control.ExecArgs{
- Filename: "/bin/sleep",
- Argv: []string{"/bin/sleep", "5"},
- WorkingDirectory: "/",
- KUID: uid,
- }
+ // Verify that "sleep 100" and "sleep 5" are running
+ // after exec. First, start running exec (whick
+ // blocks).
+ ch := make(chan error)
+ go func() {
+ exitStatus, err := cont.executeSync(execArgs)
+ if err != nil {
+ ch <- err
+ } else if exitStatus != 0 {
+ ch <- fmt.Errorf("failed with exit status: %v", exitStatus)
+ } else {
+ ch <- nil
+ }
+ }()
- // Verify that "sleep 100" and "sleep 5" are running after exec.
- // First, start running exec (whick blocks).
- status := make(chan error, 1)
- go func() {
- exitStatus, err := cont.executeSync(execArgs)
- if err != nil {
- log.Debugf("error executing: %v", err)
- status <- err
- } else if exitStatus != 0 {
- log.Debugf("bad status: %d", exitStatus)
- status <- fmt.Errorf("failed with exit status: %v", exitStatus)
- } else {
- status <- nil
+ if err := waitForProcessList(cont, expectedPL); err != nil {
+ t.Fatalf("error waiting for processes: %v", err)
}
- }()
- if err := waitForProcessList(cont, expectedPL); err != nil {
- t.Fatal(err)
- }
-
- // Ensure that exec finished without error.
- select {
- case <-time.After(10 * time.Second):
- t.Fatalf("container timed out waiting for exec to finish.")
- case st := <-status:
- if st != nil {
- t.Errorf("container failed to exec %v: %v", args, err)
+ // Ensure that exec finished without error.
+ select {
+ case <-time.After(10 * time.Second):
+ t.Fatalf("container timed out waiting for exec to finish.")
+ case err := <-ch:
+ if err != nil {
+ t.Errorf("container failed to exec %v: %v", args, err)
+ }
}
- }
+ })
}
}
// TestKillPid verifies that we can signal individual exec'd processes.
func TestKillPid(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
-
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
- if err != nil {
- t.Fatal("error finding test_app:", err)
- }
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
+ if err != nil {
+ t.Fatal("error finding test_app:", err)
+ }
- const nProcs = 4
- spec := testutil.NewSpecWithArgs(app, "task-tree", "--depth", strconv.Itoa(nProcs-1), "--width=1", "--pause=true")
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ const nProcs = 4
+ spec := testutil.NewSpecWithArgs(app, "task-tree", "--depth", strconv.Itoa(nProcs-1), "--width=1", "--pause=true")
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create and start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create and start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont.Destroy()
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Verify that all processes are running.
- if err := waitForProcessCount(cont, nProcs); err != nil {
- t.Fatalf("timed out waiting for processes to start: %v", err)
- }
+ // Verify that all processes are running.
+ if err := waitForProcessCount(cont, nProcs); err != nil {
+ t.Fatalf("timed out waiting for processes to start: %v", err)
+ }
- // Kill the child process with the largest PID.
- procs, err := cont.Processes()
- if err != nil {
- t.Fatalf("failed to get process list: %v", err)
- }
- var pid int32
- for _, p := range procs {
- if pid < int32(p.PID) {
- pid = int32(p.PID)
+ // Kill the child process with the largest PID.
+ procs, err := cont.Processes()
+ if err != nil {
+ t.Fatalf("failed to get process list: %v", err)
+ }
+ var pid int32
+ for _, p := range procs {
+ if pid < int32(p.PID) {
+ pid = int32(p.PID)
+ }
+ }
+ if err := cont.SignalProcess(syscall.SIGKILL, pid); err != nil {
+ t.Fatalf("failed to signal process %d: %v", pid, err)
}
- }
- if err := cont.SignalProcess(syscall.SIGKILL, pid); err != nil {
- t.Fatalf("failed to signal process %d: %v", pid, err)
- }
- // Verify that one process is gone.
- if err := waitForProcessCount(cont, nProcs-1); err != nil {
- t.Fatal(err)
- }
+ // Verify that one process is gone.
+ if err := waitForProcessCount(cont, nProcs-1); err != nil {
+ t.Fatalf("error waiting for processes: %v", err)
+ }
- procs, err = cont.Processes()
- if err != nil {
- t.Fatalf("failed to get process list: %v", err)
- }
- for _, p := range procs {
- if pid == int32(p.PID) {
- t.Fatalf("pid %d is still alive, which should be killed", pid)
+ procs, err = cont.Processes()
+ if err != nil {
+ t.Fatalf("failed to get process list: %v", err)
}
- }
+ for _, p := range procs {
+ if pid == int32(p.PID) {
+ t.Fatalf("pid %d is still alive, which should be killed", pid)
+ }
+ }
+ })
}
}
@@ -753,160 +756,160 @@ func TestKillPid(t *testing.T) {
// be the next consecutive number after the last number from the checkpointed container.
func TestCheckpointRestore(t *testing.T) {
// Skip overlay because test requires writing to host file.
- for _, conf := range configs(t, noOverlay...) {
- t.Logf("Running test with conf: %+v", conf)
-
- dir, err := ioutil.TempDir(testutil.TmpDir(), "checkpoint-test")
- if err != nil {
- t.Fatalf("ioutil.TempDir failed: %v", err)
- }
- if err := os.Chmod(dir, 0777); err != nil {
- t.Fatalf("error chmoding file: %q, %v", dir, err)
- }
+ for name, conf := range configs(t, noOverlay...) {
+ t.Run(name, func(t *testing.T) {
+ dir, err := ioutil.TempDir(testutil.TmpDir(), "checkpoint-test")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir failed: %v", err)
+ }
+ defer os.RemoveAll(dir)
+ if err := os.Chmod(dir, 0777); err != nil {
+ t.Fatalf("error chmoding file: %q, %v", dir, err)
+ }
- outputPath := filepath.Join(dir, "output")
- outputFile, err := createWriteableOutputFile(outputPath)
- if err != nil {
- t.Fatalf("error creating output file: %v", err)
- }
- defer outputFile.Close()
+ outputPath := filepath.Join(dir, "output")
+ outputFile, err := createWriteableOutputFile(outputPath)
+ if err != nil {
+ t.Fatalf("error creating output file: %v", err)
+ }
+ defer outputFile.Close()
- script := fmt.Sprintf("for ((i=0; ;i++)); do echo $i >> %q; sleep 1; done", outputPath)
- spec := testutil.NewSpecWithArgs("bash", "-c", script)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ script := fmt.Sprintf("for ((i=0; ;i++)); do echo $i >> %q; sleep 1; done", outputPath)
+ spec := testutil.NewSpecWithArgs("bash", "-c", script)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create and start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create and start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont.Destroy()
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Set the image path, which is where the checkpoint image will be saved.
- imagePath := filepath.Join(dir, "test-image-file")
+ // Set the image path, which is where the checkpoint image will be saved.
+ imagePath := filepath.Join(dir, "test-image-file")
- // Create the image file and open for writing.
- file, err := os.OpenFile(imagePath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0644)
- if err != nil {
- t.Fatalf("error opening new file at imagePath: %v", err)
- }
- defer file.Close()
+ // Create the image file and open for writing.
+ file, err := os.OpenFile(imagePath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0644)
+ if err != nil {
+ t.Fatalf("error opening new file at imagePath: %v", err)
+ }
+ defer file.Close()
- // Wait until application has ran.
- if err := waitForFileNotEmpty(outputFile); err != nil {
- t.Fatalf("Failed to wait for output file: %v", err)
- }
+ // Wait until application has ran.
+ if err := waitForFileNotEmpty(outputFile); err != nil {
+ t.Fatalf("Failed to wait for output file: %v", err)
+ }
- // Checkpoint running container; save state into new file.
- if err := cont.Checkpoint(file); err != nil {
- t.Fatalf("error checkpointing container to empty file: %v", err)
- }
- defer os.RemoveAll(imagePath)
+ // Checkpoint running container; save state into new file.
+ if err := cont.Checkpoint(file); err != nil {
+ t.Fatalf("error checkpointing container to empty file: %v", err)
+ }
+ defer os.RemoveAll(imagePath)
- lastNum, err := readOutputNum(outputPath, -1)
- if err != nil {
- t.Fatalf("error with outputFile: %v", err)
- }
+ lastNum, err := readOutputNum(outputPath, -1)
+ if err != nil {
+ t.Fatalf("error with outputFile: %v", err)
+ }
- // Delete and recreate file before restoring.
- if err := os.Remove(outputPath); err != nil {
- t.Fatalf("error removing file")
- }
- outputFile2, err := createWriteableOutputFile(outputPath)
- if err != nil {
- t.Fatalf("error creating output file: %v", err)
- }
- defer outputFile2.Close()
+ // Delete and recreate file before restoring.
+ if err := os.Remove(outputPath); err != nil {
+ t.Fatalf("error removing file")
+ }
+ outputFile2, err := createWriteableOutputFile(outputPath)
+ if err != nil {
+ t.Fatalf("error creating output file: %v", err)
+ }
+ defer outputFile2.Close()
- // Restore into a new container.
- args2 := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont2, err := New(conf, args2)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont2.Destroy()
+ // Restore into a new container.
+ args2 := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont2, err := New(conf, args2)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont2.Destroy()
- if err := cont2.Restore(spec, conf, imagePath); err != nil {
- t.Fatalf("error restoring container: %v", err)
- }
+ if err := cont2.Restore(spec, conf, imagePath); err != nil {
+ t.Fatalf("error restoring container: %v", err)
+ }
- // Wait until application has ran.
- if err := waitForFileNotEmpty(outputFile2); err != nil {
- t.Fatalf("Failed to wait for output file: %v", err)
- }
+ // Wait until application has ran.
+ if err := waitForFileNotEmpty(outputFile2); err != nil {
+ t.Fatalf("Failed to wait for output file: %v", err)
+ }
- firstNum, err := readOutputNum(outputPath, 0)
- if err != nil {
- t.Fatalf("error with outputFile: %v", err)
- }
+ firstNum, err := readOutputNum(outputPath, 0)
+ if err != nil {
+ t.Fatalf("error with outputFile: %v", err)
+ }
- // Check that lastNum is one less than firstNum and that the container picks
- // up from where it left off.
- if lastNum+1 != firstNum {
- t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum)
- }
- cont2.Destroy()
+ // Check that lastNum is one less than firstNum and that the container picks
+ // up from where it left off.
+ if lastNum+1 != firstNum {
+ t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum)
+ }
+ cont2.Destroy()
- // Restore into another container!
- // Delete and recreate file before restoring.
- if err := os.Remove(outputPath); err != nil {
- t.Fatalf("error removing file")
- }
- outputFile3, err := createWriteableOutputFile(outputPath)
- if err != nil {
- t.Fatalf("error creating output file: %v", err)
- }
- defer outputFile3.Close()
+ // Restore into another container!
+ // Delete and recreate file before restoring.
+ if err := os.Remove(outputPath); err != nil {
+ t.Fatalf("error removing file")
+ }
+ outputFile3, err := createWriteableOutputFile(outputPath)
+ if err != nil {
+ t.Fatalf("error creating output file: %v", err)
+ }
+ defer outputFile3.Close()
- // Restore into a new container.
- args3 := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont3, err := New(conf, args3)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont3.Destroy()
+ // Restore into a new container.
+ args3 := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont3, err := New(conf, args3)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont3.Destroy()
- if err := cont3.Restore(spec, conf, imagePath); err != nil {
- t.Fatalf("error restoring container: %v", err)
- }
+ if err := cont3.Restore(spec, conf, imagePath); err != nil {
+ t.Fatalf("error restoring container: %v", err)
+ }
- // Wait until application has ran.
- if err := waitForFileNotEmpty(outputFile3); err != nil {
- t.Fatalf("Failed to wait for output file: %v", err)
- }
+ // Wait until application has ran.
+ if err := waitForFileNotEmpty(outputFile3); err != nil {
+ t.Fatalf("Failed to wait for output file: %v", err)
+ }
- firstNum2, err := readOutputNum(outputPath, 0)
- if err != nil {
- t.Fatalf("error with outputFile: %v", err)
- }
+ firstNum2, err := readOutputNum(outputPath, 0)
+ if err != nil {
+ t.Fatalf("error with outputFile: %v", err)
+ }
- // Check that lastNum is one less than firstNum and that the container picks
- // up from where it left off.
- if lastNum+1 != firstNum2 {
- t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum2)
- }
- cont3.Destroy()
+ // Check that lastNum is one less than firstNum and that the container picks
+ // up from where it left off.
+ if lastNum+1 != firstNum2 {
+ t.Errorf("error numbers not in order, previous: %d, next: %d", lastNum, firstNum2)
+ }
+ cont3.Destroy()
+ })
}
}
@@ -914,135 +917,134 @@ func TestCheckpointRestore(t *testing.T) {
// with filesystem Unix Domain Socket use.
func TestUnixDomainSockets(t *testing.T) {
// Skip overlay because test requires writing to host file.
- for _, conf := range configs(t, noOverlay...) {
- t.Logf("Running test with conf: %+v", conf)
-
- // UDS path is limited to 108 chars for compatibility with older systems.
- // Use '/tmp' (instead of testutil.TmpDir) to ensure the size limit is
- // not exceeded. Assumes '/tmp' exists in the system.
- dir, err := ioutil.TempDir("/tmp", "uds-test")
- if err != nil {
- t.Fatalf("ioutil.TempDir failed: %v", err)
- }
- defer os.RemoveAll(dir)
+ for name, conf := range configs(t, noOverlay...) {
+ t.Run(name, func(t *testing.T) {
+ // UDS path is limited to 108 chars for compatibility with older systems.
+ // Use '/tmp' (instead of testutil.TmpDir) to ensure the size limit is
+ // not exceeded. Assumes '/tmp' exists in the system.
+ dir, err := ioutil.TempDir("/tmp", "uds-test")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir failed: %v", err)
+ }
+ defer os.RemoveAll(dir)
- outputPath := filepath.Join(dir, "uds_output")
- outputFile, err := os.OpenFile(outputPath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666)
- if err != nil {
- t.Fatalf("error creating output file: %v", err)
- }
- defer outputFile.Close()
+ outputPath := filepath.Join(dir, "uds_output")
+ outputFile, err := os.OpenFile(outputPath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666)
+ if err != nil {
+ t.Fatalf("error creating output file: %v", err)
+ }
+ defer outputFile.Close()
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
- if err != nil {
- t.Fatal("error finding test_app:", err)
- }
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
+ if err != nil {
+ t.Fatal("error finding test_app:", err)
+ }
- socketPath := filepath.Join(dir, "uds_socket")
- defer os.Remove(socketPath)
+ socketPath := filepath.Join(dir, "uds_socket")
+ defer os.Remove(socketPath)
- spec := testutil.NewSpecWithArgs(app, "uds", "--file", outputPath, "--socket", socketPath)
- spec.Process.User = specs.User{
- UID: uint32(os.Getuid()),
- GID: uint32(os.Getgid()),
- }
- spec.Mounts = []specs.Mount{{
- Type: "bind",
- Destination: dir,
- Source: dir,
- }}
+ spec := testutil.NewSpecWithArgs(app, "uds", "--file", outputPath, "--socket", socketPath)
+ spec.Process.User = specs.User{
+ UID: uint32(os.Getuid()),
+ GID: uint32(os.Getgid()),
+ }
+ spec.Mounts = []specs.Mount{{
+ Type: "bind",
+ Destination: dir,
+ Source: dir,
+ }}
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create and start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create and start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont.Destroy()
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Set the image path, the location where the checkpoint image will be saved.
- imagePath := filepath.Join(dir, "test-image-file")
+ // Set the image path, the location where the checkpoint image will be saved.
+ imagePath := filepath.Join(dir, "test-image-file")
- // Create the image file and open for writing.
- file, err := os.OpenFile(imagePath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0644)
- if err != nil {
- t.Fatalf("error opening new file at imagePath: %v", err)
- }
- defer file.Close()
- defer os.RemoveAll(imagePath)
+ // Create the image file and open for writing.
+ file, err := os.OpenFile(imagePath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0644)
+ if err != nil {
+ t.Fatalf("error opening new file at imagePath: %v", err)
+ }
+ defer file.Close()
+ defer os.RemoveAll(imagePath)
- // Wait until application has ran.
- if err := waitForFileNotEmpty(outputFile); err != nil {
- t.Fatalf("Failed to wait for output file: %v", err)
- }
+ // Wait until application has ran.
+ if err := waitForFileNotEmpty(outputFile); err != nil {
+ t.Fatalf("Failed to wait for output file: %v", err)
+ }
- // Checkpoint running container; save state into new file.
- if err := cont.Checkpoint(file); err != nil {
- t.Fatalf("error checkpointing container to empty file: %v", err)
- }
+ // Checkpoint running container; save state into new file.
+ if err := cont.Checkpoint(file); err != nil {
+ t.Fatalf("error checkpointing container to empty file: %v", err)
+ }
- // Read last number outputted before checkpoint.
- lastNum, err := readOutputNum(outputPath, -1)
- if err != nil {
- t.Fatalf("error with outputFile: %v", err)
- }
+ // Read last number outputted before checkpoint.
+ lastNum, err := readOutputNum(outputPath, -1)
+ if err != nil {
+ t.Fatalf("error with outputFile: %v", err)
+ }
- // Delete and recreate file before restoring.
- if err := os.Remove(outputPath); err != nil {
- t.Fatalf("error removing file")
- }
- outputFile2, err := os.OpenFile(outputPath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666)
- if err != nil {
- t.Fatalf("error creating output file: %v", err)
- }
- defer outputFile2.Close()
+ // Delete and recreate file before restoring.
+ if err := os.Remove(outputPath); err != nil {
+ t.Fatalf("error removing file")
+ }
+ outputFile2, err := os.OpenFile(outputPath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666)
+ if err != nil {
+ t.Fatalf("error creating output file: %v", err)
+ }
+ defer outputFile2.Close()
- // Restore into a new container.
- argsRestore := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- contRestore, err := New(conf, argsRestore)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer contRestore.Destroy()
+ // Restore into a new container.
+ argsRestore := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ contRestore, err := New(conf, argsRestore)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer contRestore.Destroy()
- if err := contRestore.Restore(spec, conf, imagePath); err != nil {
- t.Fatalf("error restoring container: %v", err)
- }
+ if err := contRestore.Restore(spec, conf, imagePath); err != nil {
+ t.Fatalf("error restoring container: %v", err)
+ }
- // Wait until application has ran.
- if err := waitForFileNotEmpty(outputFile2); err != nil {
- t.Fatalf("Failed to wait for output file: %v", err)
- }
+ // Wait until application has ran.
+ if err := waitForFileNotEmpty(outputFile2); err != nil {
+ t.Fatalf("Failed to wait for output file: %v", err)
+ }
- // Read first number outputted after restore.
- firstNum, err := readOutputNum(outputPath, 0)
- if err != nil {
- t.Fatalf("error with outputFile: %v", err)
- }
+ // Read first number outputted after restore.
+ firstNum, err := readOutputNum(outputPath, 0)
+ if err != nil {
+ t.Fatalf("error with outputFile: %v", err)
+ }
- // Check that lastNum is one less than firstNum.
- if lastNum+1 != firstNum {
- t.Errorf("error numbers not consecutive, previous: %d, next: %d", lastNum, firstNum)
- }
- contRestore.Destroy()
+ // Check that lastNum is one less than firstNum.
+ if lastNum+1 != firstNum {
+ t.Errorf("error numbers not consecutive, previous: %d, next: %d", lastNum, firstNum)
+ }
+ contRestore.Destroy()
+ })
}
}
@@ -1052,10 +1054,8 @@ func TestUnixDomainSockets(t *testing.T) {
// recreated. Then it resumes the container, verify that the file gets created
// again.
func TestPauseResume(t *testing.T) {
- for _, conf := range configs(t, noOverlay...) {
- t.Run(fmt.Sprintf("conf: %+v", conf), func(t *testing.T) {
- t.Logf("Running test with conf: %+v", conf)
-
+ for name, conf := range configs(t, noOverlay...) {
+ t.Run(name, func(t *testing.T) {
tmpDir, err := ioutil.TempDir(testutil.TmpDir(), "lock")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
@@ -1066,16 +1066,15 @@ func TestPauseResume(t *testing.T) {
script := fmt.Sprintf("while [[ true ]]; do touch %q; sleep 0.1; done", running)
spec := testutil.NewSpecWithArgs("/bin/bash", "-c", script)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1134,16 +1133,15 @@ func TestPauseResume(t *testing.T) {
func TestPauseResumeStatus(t *testing.T) {
spec := testutil.NewSpecWithArgs("sleep", "20")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1199,359 +1197,356 @@ func TestCapabilities(t *testing.T) {
uid := auth.KUID(os.Getuid() + 1)
gid := auth.KGID(os.Getgid() + 1)
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- spec := testutil.NewSpecWithArgs("sleep", "100")
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs("sleep", "100")
+ rootDir, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create and start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create and start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer cont.Destroy()
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // expectedPL lists the expected process state of the container.
- expectedPL := []*control.Process{
- {
- UID: 0,
- PID: 1,
- PPID: 0,
- C: 0,
- Cmd: "sleep",
- Threads: []kernel.ThreadID{1},
- },
- {
- UID: uid,
- PID: 2,
- PPID: 0,
- C: 0,
- Cmd: "exe",
- Threads: []kernel.ThreadID{2},
- },
- }
- if err := waitForProcessList(cont, expectedPL[:1]); err != nil {
- t.Fatalf("Failed to wait for sleep to start, err: %v", err)
- }
+ // expectedPL lists the expected process state of the container.
+ expectedPL := []*control.Process{
+ {
+ UID: 0,
+ PID: 1,
+ PPID: 0,
+ C: 0,
+ Cmd: "sleep",
+ Threads: []kernel.ThreadID{1},
+ },
+ {
+ UID: uid,
+ PID: 2,
+ PPID: 0,
+ C: 0,
+ Cmd: "exe",
+ Threads: []kernel.ThreadID{2},
+ },
+ }
+ if err := waitForProcessList(cont, expectedPL[:1]); err != nil {
+ t.Fatalf("Failed to wait for sleep to start, err: %v", err)
+ }
- // Create an executable that can't be run with the specified UID:GID.
- // This shouldn't be callable within the container until we add the
- // CAP_DAC_OVERRIDE capability to skip the access check.
- exePath := filepath.Join(rootDir, "exe")
- if err := ioutil.WriteFile(exePath, []byte("#!/bin/sh\necho hello"), 0770); err != nil {
- t.Fatalf("couldn't create executable: %v", err)
- }
- defer os.Remove(exePath)
-
- // Need to traverse the intermediate directory.
- os.Chmod(rootDir, 0755)
-
- execArgs := &control.ExecArgs{
- Filename: exePath,
- Argv: []string{exePath},
- WorkingDirectory: "/",
- KUID: uid,
- KGID: gid,
- Capabilities: &auth.TaskCapabilities{},
- }
+ // Create an executable that can't be run with the specified UID:GID.
+ // This shouldn't be callable within the container until we add the
+ // CAP_DAC_OVERRIDE capability to skip the access check.
+ exePath := filepath.Join(rootDir, "exe")
+ if err := ioutil.WriteFile(exePath, []byte("#!/bin/sh\necho hello"), 0770); err != nil {
+ t.Fatalf("couldn't create executable: %v", err)
+ }
+ defer os.Remove(exePath)
+
+ // Need to traverse the intermediate directory.
+ os.Chmod(rootDir, 0755)
+
+ execArgs := &control.ExecArgs{
+ Filename: exePath,
+ Argv: []string{exePath},
+ WorkingDirectory: "/",
+ KUID: uid,
+ KGID: gid,
+ Capabilities: &auth.TaskCapabilities{},
+ }
- // "exe" should fail because we don't have the necessary permissions.
- if _, err := cont.executeSync(execArgs); err == nil {
- t.Fatalf("container executed without error, but an error was expected")
- }
+ // "exe" should fail because we don't have the necessary permissions.
+ if _, err := cont.executeSync(execArgs); err == nil {
+ t.Fatalf("container executed without error, but an error was expected")
+ }
- // Now we run with the capability enabled and should succeed.
- execArgs.Capabilities = &auth.TaskCapabilities{
- EffectiveCaps: auth.CapabilitySetOf(linux.CAP_DAC_OVERRIDE),
- }
- // "exe" should not fail this time.
- if _, err := cont.executeSync(execArgs); err != nil {
- t.Fatalf("container failed to exec %v: %v", args, err)
- }
+ // Now we run with the capability enabled and should succeed.
+ execArgs.Capabilities = &auth.TaskCapabilities{
+ EffectiveCaps: auth.CapabilitySetOf(linux.CAP_DAC_OVERRIDE),
+ }
+ // "exe" should not fail this time.
+ if _, err := cont.executeSync(execArgs); err != nil {
+ t.Fatalf("container failed to exec %v: %v", args, err)
+ }
+ })
}
}
// TestRunNonRoot checks that sandbox can be configured when running as
// non-privileged user.
func TestRunNonRoot(t *testing.T) {
- for _, conf := range configs(t, noOverlay...) {
- t.Logf("Running test with conf: %+v", conf)
-
- spec := testutil.NewSpecWithArgs("/bin/true")
-
- // Set a random user/group with no access to "blocked" dir.
- spec.Process.User.UID = 343
- spec.Process.User.GID = 2401
- spec.Process.Capabilities = nil
+ for name, conf := range configs(t, noOverlay...) {
+ t.Run(name, func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs("/bin/true")
+
+ // Set a random user/group with no access to "blocked" dir.
+ spec.Process.User.UID = 343
+ spec.Process.User.GID = 2401
+ spec.Process.Capabilities = nil
+
+ // User running inside container can't list '$TMP/blocked' and would fail to
+ // mount it.
+ dir, err := ioutil.TempDir(testutil.TmpDir(), "blocked")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
+ if err := os.Chmod(dir, 0700); err != nil {
+ t.Fatalf("os.MkDir(%q) failed: %v", dir, err)
+ }
+ dir = path.Join(dir, "test")
+ if err := os.Mkdir(dir, 0755); err != nil {
+ t.Fatalf("os.MkDir(%q) failed: %v", dir, err)
+ }
- // User running inside container can't list '$TMP/blocked' and would fail to
- // mount it.
- dir, err := ioutil.TempDir(testutil.TmpDir(), "blocked")
- if err != nil {
- t.Fatalf("ioutil.TempDir() failed: %v", err)
- }
- if err := os.Chmod(dir, 0700); err != nil {
- t.Fatalf("os.MkDir(%q) failed: %v", dir, err)
- }
- dir = path.Join(dir, "test")
- if err := os.Mkdir(dir, 0755); err != nil {
- t.Fatalf("os.MkDir(%q) failed: %v", dir, err)
- }
+ src, err := ioutil.TempDir(testutil.TmpDir(), "src")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
- src, err := ioutil.TempDir(testutil.TmpDir(), "src")
- if err != nil {
- t.Fatalf("ioutil.TempDir() failed: %v", err)
- }
+ spec.Mounts = append(spec.Mounts, specs.Mount{
+ Destination: dir,
+ Source: src,
+ Type: "bind",
+ })
- spec.Mounts = append(spec.Mounts, specs.Mount{
- Destination: dir,
- Source: src,
- Type: "bind",
+ if err := run(spec, conf); err != nil {
+ t.Fatalf("error running sandbox: %v", err)
+ }
})
-
- if err := run(spec, conf); err != nil {
- t.Fatalf("error running sandbox: %v", err)
- }
}
}
// TestMountNewDir checks that runsc will create destination directory if it
// doesn't exit.
func TestMountNewDir(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ root, err := ioutil.TempDir(testutil.TmpDir(), "root")
+ if err != nil {
+ t.Fatal("ioutil.TempDir() failed:", err)
+ }
- root, err := ioutil.TempDir(testutil.TmpDir(), "root")
- if err != nil {
- t.Fatal("ioutil.TempDir() failed:", err)
- }
+ srcDir := path.Join(root, "src", "dir", "anotherdir")
+ if err := os.MkdirAll(srcDir, 0755); err != nil {
+ t.Fatalf("os.MkDir(%q) failed: %v", srcDir, err)
+ }
- srcDir := path.Join(root, "src", "dir", "anotherdir")
- if err := os.MkdirAll(srcDir, 0755); err != nil {
- t.Fatalf("os.MkDir(%q) failed: %v", srcDir, err)
- }
+ mountDir := path.Join(root, "dir", "anotherdir")
- mountDir := path.Join(root, "dir", "anotherdir")
+ spec := testutil.NewSpecWithArgs("/bin/ls", mountDir)
+ spec.Mounts = append(spec.Mounts, specs.Mount{
+ Destination: mountDir,
+ Source: srcDir,
+ Type: "bind",
+ })
- spec := testutil.NewSpecWithArgs("/bin/ls", mountDir)
- spec.Mounts = append(spec.Mounts, specs.Mount{
- Destination: mountDir,
- Source: srcDir,
- Type: "bind",
+ if err := run(spec, conf); err != nil {
+ t.Fatalf("error running sandbox: %v", err)
+ }
})
-
- if err := run(spec, conf); err != nil {
- t.Fatalf("error running sandbox: %v", err)
- }
}
}
func TestReadonlyRoot(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
-
- spec := testutil.NewSpecWithArgs("/bin/touch", "/foo")
- spec.Root.Readonly = true
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ spec := testutil.NewSpecWithArgs("/bin/touch", "/foo")
+ spec.Root.Readonly = true
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create, start and wait for the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
- if err := c.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create, start and wait for the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
+ if err := c.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- ws, err := c.Wait()
- if err != nil {
- t.Fatalf("error waiting on container: %v", err)
- }
- if !ws.Exited() || syscall.Errno(ws.ExitStatus()) != syscall.EPERM {
- t.Fatalf("container failed, waitStatus: %v", ws)
- }
+ ws, err := c.Wait()
+ if err != nil {
+ t.Fatalf("error waiting on container: %v", err)
+ }
+ if !ws.Exited() || syscall.Errno(ws.ExitStatus()) != syscall.EPERM {
+ t.Fatalf("container failed, waitStatus: %v", ws)
+ }
+ })
}
}
func TestUIDMap(t *testing.T) {
- for _, conf := range configs(t, noOverlay...) {
- t.Logf("Running test with conf: %+v", conf)
- testDir, err := ioutil.TempDir(testutil.TmpDir(), "test-mount")
- if err != nil {
- t.Fatal(err)
- }
- defer os.RemoveAll(testDir)
- testFile := path.Join(testDir, "testfile")
-
- spec := testutil.NewSpecWithArgs("touch", "/tmp/testfile")
- uid := os.Getuid()
- gid := os.Getgid()
- spec.Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{
- {Type: specs.UserNamespace},
- {Type: specs.PIDNamespace},
- {Type: specs.MountNamespace},
- },
- UIDMappings: []specs.LinuxIDMapping{
- {
- ContainerID: 0,
- HostID: uint32(uid),
- Size: 1,
+ for name, conf := range configs(t, noOverlay...) {
+ t.Run(name, func(t *testing.T) {
+ testDir, err := ioutil.TempDir(testutil.TmpDir(), "test-mount")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
+ defer os.RemoveAll(testDir)
+ testFile := path.Join(testDir, "testfile")
+
+ spec := testutil.NewSpecWithArgs("touch", "/tmp/testfile")
+ uid := os.Getuid()
+ gid := os.Getgid()
+ spec.Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{
+ {Type: specs.UserNamespace},
+ {Type: specs.PIDNamespace},
+ {Type: specs.MountNamespace},
},
- },
- GIDMappings: []specs.LinuxIDMapping{
- {
- ContainerID: 0,
- HostID: uint32(gid),
- Size: 1,
+ UIDMappings: []specs.LinuxIDMapping{
+ {
+ ContainerID: 0,
+ HostID: uint32(uid),
+ Size: 1,
+ },
},
- },
- }
+ GIDMappings: []specs.LinuxIDMapping{
+ {
+ ContainerID: 0,
+ HostID: uint32(gid),
+ Size: 1,
+ },
+ },
+ }
- spec.Mounts = append(spec.Mounts, specs.Mount{
- Destination: "/tmp",
- Source: testDir,
- Type: "bind",
- })
+ spec.Mounts = append(spec.Mounts, specs.Mount{
+ Destination: "/tmp",
+ Source: testDir,
+ Type: "bind",
+ })
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create, start and wait for the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
- if err := c.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create, start and wait for the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
+ if err := c.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- ws, err := c.Wait()
- if err != nil {
- t.Fatalf("error waiting on container: %v", err)
- }
- if !ws.Exited() || ws.ExitStatus() != 0 {
- t.Fatalf("container failed, waitStatus: %v", ws)
- }
- st := syscall.Stat_t{}
- if err := syscall.Stat(testFile, &st); err != nil {
- t.Fatalf("error stat /testfile: %v", err)
- }
+ ws, err := c.Wait()
+ if err != nil {
+ t.Fatalf("error waiting on container: %v", err)
+ }
+ if !ws.Exited() || ws.ExitStatus() != 0 {
+ t.Fatalf("container failed, waitStatus: %v", ws)
+ }
+ st := syscall.Stat_t{}
+ if err := syscall.Stat(testFile, &st); err != nil {
+ t.Fatalf("error stat /testfile: %v", err)
+ }
- if st.Uid != uint32(uid) || st.Gid != uint32(gid) {
- t.Fatalf("UID: %d (%d) GID: %d (%d)", st.Uid, uid, st.Gid, gid)
- }
+ if st.Uid != uint32(uid) || st.Gid != uint32(gid) {
+ t.Fatalf("UID: %d (%d) GID: %d (%d)", st.Uid, uid, st.Gid, gid)
+ }
+ })
}
}
func TestReadonlyMount(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
-
- dir, err := ioutil.TempDir(testutil.TmpDir(), "ro-mount")
- spec := testutil.NewSpecWithArgs("/bin/touch", path.Join(dir, "file"))
- if err != nil {
- t.Fatalf("ioutil.TempDir() failed: %v", err)
- }
- spec.Mounts = append(spec.Mounts, specs.Mount{
- Destination: dir,
- Source: dir,
- Type: "bind",
- Options: []string{"ro"},
- })
- spec.Root.Readonly = false
-
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ dir, err := ioutil.TempDir(testutil.TmpDir(), "ro-mount")
+ spec := testutil.NewSpecWithArgs("/bin/touch", path.Join(dir, "file"))
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
+ spec.Mounts = append(spec.Mounts, specs.Mount{
+ Destination: dir,
+ Source: dir,
+ Type: "bind",
+ Options: []string{"ro"},
+ })
+ spec.Root.Readonly = false
+
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create, start and wait for the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
- if err := c.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create, start and wait for the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
+ if err := c.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- ws, err := c.Wait()
- if err != nil {
- t.Fatalf("error waiting on container: %v", err)
- }
- if !ws.Exited() || syscall.Errno(ws.ExitStatus()) != syscall.EPERM {
- t.Fatalf("container failed, waitStatus: %v", ws)
- }
+ ws, err := c.Wait()
+ if err != nil {
+ t.Fatalf("error waiting on container: %v", err)
+ }
+ if !ws.Exited() || syscall.Errno(ws.ExitStatus()) != syscall.EPERM {
+ t.Fatalf("container failed, waitStatus: %v", ws)
+ }
+ })
}
}
// TestAbbreviatedIDs checks that runsc supports using abbreviated container
// IDs in place of full IDs.
func TestAbbreviatedIDs(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
cids := []string{
- "foo-" + testutil.UniqueContainerID(),
- "bar-" + testutil.UniqueContainerID(),
- "baz-" + testutil.UniqueContainerID(),
+ "foo-" + testutil.RandomContainerID(),
+ "bar-" + testutil.RandomContainerID(),
+ "baz-" + testutil.RandomContainerID(),
}
for _, cid := range cids {
spec := testutil.NewSpecWithArgs("sleep", "100")
- bundleDir, err := testutil.SetupBundleDir(spec)
+ bundleDir, cleanup, err := testutil.SetupBundleDir(spec)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
@@ -1596,16 +1591,15 @@ func TestAbbreviatedIDs(t *testing.T) {
func TestGoferExits(t *testing.T) {
spec := testutil.NewSpecWithArgs("/bin/sleep", "10000")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1634,7 +1628,7 @@ func TestGoferExits(t *testing.T) {
}
func TestRootNotMount(t *testing.T) {
- appSym, err := testutil.FindFile("runsc/container/test_app/test_app")
+ appSym, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -1671,7 +1665,7 @@ func TestRootNotMount(t *testing.T) {
}
func TestUserLog(t *testing.T) {
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -1679,12 +1673,11 @@ func TestUserLog(t *testing.T) {
// sched_rr_get_interval = 148 - not implemented in gvisor.
spec := testutil.NewSpecWithArgs(app, "syscall", "--syscall=148")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
dir, err := ioutil.TempDir(testutil.TmpDir(), "user_log_test")
if err != nil {
@@ -1694,7 +1687,7 @@ func TestUserLog(t *testing.T) {
// Create, start and wait for the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
UserLog: userLog,
@@ -1718,72 +1711,70 @@ func TestUserLog(t *testing.T) {
}
func TestWaitOnExitedSandbox(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- // Run a shell that sleeps for 1 second and then exits with a
- // non-zero code.
- const wantExit = 17
- cmd := fmt.Sprintf("sleep 1; exit %d", wantExit)
- spec := testutil.NewSpecWithArgs("/bin/sh", "-c", cmd)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ // Run a shell that sleeps for 1 second and then exits with a
+ // non-zero code.
+ const wantExit = 17
+ cmd := fmt.Sprintf("sleep 1; exit %d", wantExit)
+ spec := testutil.NewSpecWithArgs("/bin/sh", "-c", cmd)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- // Create and Start the container.
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- c, err := New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- defer c.Destroy()
- if err := c.Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ // Create and Start the container.
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ c, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ defer c.Destroy()
+ if err := c.Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- // Wait on the sandbox. This will make an RPC to the sandbox
- // and get the actual exit status of the application.
- ws, err := c.Wait()
- if err != nil {
- t.Fatalf("error waiting on container: %v", err)
- }
- if got := ws.ExitStatus(); got != wantExit {
- t.Errorf("got exit status %d, want %d", got, wantExit)
- }
+ // Wait on the sandbox. This will make an RPC to the sandbox
+ // and get the actual exit status of the application.
+ ws, err := c.Wait()
+ if err != nil {
+ t.Fatalf("error waiting on container: %v", err)
+ }
+ if got := ws.ExitStatus(); got != wantExit {
+ t.Errorf("got exit status %d, want %d", got, wantExit)
+ }
- // Now the sandbox has exited, but the zombie sandbox process
- // still exists. Calling Wait() now will return the sandbox
- // exit status.
- ws, err = c.Wait()
- if err != nil {
- t.Fatalf("error waiting on container: %v", err)
- }
- if got := ws.ExitStatus(); got != wantExit {
- t.Errorf("got exit status %d, want %d", got, wantExit)
- }
+ // Now the sandbox has exited, but the zombie sandbox process
+ // still exists. Calling Wait() now will return the sandbox
+ // exit status.
+ ws, err = c.Wait()
+ if err != nil {
+ t.Fatalf("error waiting on container: %v", err)
+ }
+ if got := ws.ExitStatus(); got != wantExit {
+ t.Errorf("got exit status %d, want %d", got, wantExit)
+ }
+ })
}
}
func TestDestroyNotStarted(t *testing.T) {
spec := testutil.NewSpecWithArgs("/bin/sleep", "100")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create the container and check that it can be destroyed.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1801,16 +1792,15 @@ func TestDestroyStarting(t *testing.T) {
for i := 0; i < 10; i++ {
spec := testutil.NewSpecWithArgs("/bin/sleep", "100")
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ rootDir, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create the container and check that it can be destroyed.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1845,23 +1835,23 @@ func TestDestroyStarting(t *testing.T) {
}
func TestCreateWorkingDir(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
-
- tmpDir, err := ioutil.TempDir(testutil.TmpDir(), "cwd-create")
- if err != nil {
- t.Fatalf("ioutil.TempDir() failed: %v", err)
- }
- dir := path.Join(tmpDir, "new/working/dir")
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ tmpDir, err := ioutil.TempDir(testutil.TmpDir(), "cwd-create")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
+ dir := path.Join(tmpDir, "new/working/dir")
- // touch will fail if the directory doesn't exist.
- spec := testutil.NewSpecWithArgs("/bin/touch", path.Join(dir, "file"))
- spec.Process.Cwd = dir
- spec.Root.Readonly = true
+ // touch will fail if the directory doesn't exist.
+ spec := testutil.NewSpecWithArgs("/bin/touch", path.Join(dir, "file"))
+ spec.Process.Cwd = dir
+ spec.Root.Readonly = true
- if err := run(spec, conf); err != nil {
- t.Fatalf("Error running container: %v", err)
- }
+ if err := run(spec, conf); err != nil {
+ t.Fatalf("Error running container: %v", err)
+ }
+ })
}
}
@@ -1919,15 +1909,14 @@ func TestMountPropagation(t *testing.T) {
}
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -1969,81 +1958,81 @@ func TestMountPropagation(t *testing.T) {
}
func TestMountSymlink(t *testing.T) {
- for _, conf := range configs(t, overlay) {
- t.Logf("Running test with conf: %+v", conf)
-
- dir, err := ioutil.TempDir(testutil.TmpDir(), "mount-symlink")
- if err != nil {
- t.Fatalf("ioutil.TempDir() failed: %v", err)
- }
+ for name, conf := range configs(t, overlay) {
+ t.Run(name, func(t *testing.T) {
+ dir, err := ioutil.TempDir(testutil.TmpDir(), "mount-symlink")
+ if err != nil {
+ t.Fatalf("ioutil.TempDir() failed: %v", err)
+ }
+ defer os.RemoveAll(dir)
- source := path.Join(dir, "source")
- target := path.Join(dir, "target")
- for _, path := range []string{source, target} {
- if err := os.MkdirAll(path, 0777); err != nil {
- t.Fatalf("os.MkdirAll(): %v", err)
+ source := path.Join(dir, "source")
+ target := path.Join(dir, "target")
+ for _, path := range []string{source, target} {
+ if err := os.MkdirAll(path, 0777); err != nil {
+ t.Fatalf("os.MkdirAll(): %v", err)
+ }
}
- }
- f, err := os.Create(path.Join(source, "file"))
- if err != nil {
- t.Fatalf("os.Create(): %v", err)
- }
- f.Close()
+ f, err := os.Create(path.Join(source, "file"))
+ if err != nil {
+ t.Fatalf("os.Create(): %v", err)
+ }
+ f.Close()
- link := path.Join(dir, "link")
- if err := os.Symlink(target, link); err != nil {
- t.Fatalf("os.Symlink(%q, %q): %v", target, link, err)
- }
+ link := path.Join(dir, "link")
+ if err := os.Symlink(target, link); err != nil {
+ t.Fatalf("os.Symlink(%q, %q): %v", target, link, err)
+ }
- spec := testutil.NewSpecWithArgs("/bin/sleep", "1000")
+ spec := testutil.NewSpecWithArgs("/bin/sleep", "1000")
- // Mount to a symlink to ensure the mount code will follow it and mount
- // at the symlink target.
- spec.Mounts = append(spec.Mounts, specs.Mount{
- Type: "bind",
- Destination: link,
- Source: source,
- })
+ // Mount to a symlink to ensure the mount code will follow it and mount
+ // at the symlink target.
+ spec.Mounts = append(spec.Mounts, specs.Mount{
+ Type: "bind",
+ Destination: link,
+ Source: source,
+ })
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
- if err != nil {
- t.Fatalf("error setting up container: %v", err)
- }
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
+ if err != nil {
+ t.Fatalf("error setting up container: %v", err)
+ }
+ defer cleanup()
- args := Args{
- ID: testutil.UniqueContainerID(),
- Spec: spec,
- BundleDir: bundleDir,
- }
- cont, err := New(conf, args)
- if err != nil {
- t.Fatalf("creating container: %v", err)
- }
- defer cont.Destroy()
+ args := Args{
+ ID: testutil.RandomContainerID(),
+ Spec: spec,
+ BundleDir: bundleDir,
+ }
+ cont, err := New(conf, args)
+ if err != nil {
+ t.Fatalf("creating container: %v", err)
+ }
+ defer cont.Destroy()
- if err := cont.Start(conf); err != nil {
- t.Fatalf("starting container: %v", err)
- }
+ if err := cont.Start(conf); err != nil {
+ t.Fatalf("starting container: %v", err)
+ }
- // Check that symlink was resolved and mount was created where the symlink
- // is pointing to.
- file := path.Join(target, "file")
- execArgs := &control.ExecArgs{
- Filename: "/usr/bin/test",
- Argv: []string{"test", "-f", file},
- }
- if ws, err := cont.executeSync(execArgs); err != nil || ws != 0 {
- t.Fatalf("exec: test -f %q, ws: %v, err: %v", file, ws, err)
- }
+ // Check that symlink was resolved and mount was created where the symlink
+ // is pointing to.
+ file := path.Join(target, "file")
+ execArgs := &control.ExecArgs{
+ Filename: "/usr/bin/test",
+ Argv: []string{"test", "-f", file},
+ }
+ if ws, err := cont.executeSync(execArgs); err != nil || ws != 0 {
+ t.Fatalf("exec: test -f %q, ws: %v, err: %v", file, ws, err)
+ }
+ })
}
}
// Check that --net-raw disables the CAP_NET_RAW capability.
func TestNetRaw(t *testing.T) {
capNetRaw := strconv.FormatUint(bits.MaskOf64(int(linux.CAP_NET_RAW)), 10)
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -2106,7 +2095,7 @@ func TestTTYField(t *testing.T) {
stop := testutil.StartReaper()
defer stop()
- testApp, err := testutil.FindFile("runsc/container/test_app/test_app")
+ testApp, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -2140,16 +2129,15 @@ func TestTTYField(t *testing.T) {
}
spec := testutil.NewSpecWithArgs(cmd...)
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
diff --git a/runsc/container/multi_container_test.go b/runsc/container/multi_container_test.go
index dc2fb42ce..e3704b453 100644
--- a/runsc/container/multi_container_test.go
+++ b/runsc/container/multi_container_test.go
@@ -30,15 +30,15 @@ import (
"gvisor.dev/gvisor/pkg/sentry/control"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sync"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/runsc/boot"
"gvisor.dev/gvisor/runsc/specutils"
- "gvisor.dev/gvisor/runsc/testutil"
)
func createSpecs(cmds ...[]string) ([]*specs.Spec, []string) {
var specs []*specs.Spec
var ids []string
- rootID := testutil.UniqueContainerID()
+ rootID := testutil.RandomContainerID()
for i, cmd := range cmds {
spec := testutil.NewSpecWithArgs(cmd...)
@@ -52,7 +52,7 @@ func createSpecs(cmds ...[]string) ([]*specs.Spec, []string) {
specutils.ContainerdContainerTypeAnnotation: specutils.ContainerdContainerTypeContainer,
specutils.ContainerdSandboxIDAnnotation: rootID,
}
- ids = append(ids, testutil.UniqueContainerID())
+ ids = append(ids, testutil.RandomContainerID())
}
specs = append(specs, spec)
}
@@ -64,23 +64,29 @@ func startContainers(conf *boot.Config, specs []*specs.Spec, ids []string) ([]*C
panic("conf.RootDir not set. Call testutil.SetupRootDir() to set.")
}
- var containers []*Container
- var bundles []string
- cleanup := func() {
+ var (
+ containers []*Container
+ cleanups []func()
+ )
+ cleanups = append(cleanups, func() {
for _, c := range containers {
c.Destroy()
}
- for _, b := range bundles {
- os.RemoveAll(b)
+ })
+ cleanupAll := func() {
+ for _, c := range cleanups {
+ c()
}
}
+ localClean := specutils.MakeCleanup(cleanupAll)
+ defer localClean.Clean()
+
for i, spec := range specs {
- bundleDir, err := testutil.SetupBundleDir(spec)
+ bundleDir, cleanup, err := testutil.SetupBundleDir(spec)
if err != nil {
- cleanup()
return nil, nil, fmt.Errorf("error setting up container: %v", err)
}
- bundles = append(bundles, bundleDir)
+ cleanups = append(cleanups, cleanup)
args := Args{
ID: ids[i],
@@ -89,17 +95,17 @@ func startContainers(conf *boot.Config, specs []*specs.Spec, ids []string) ([]*C
}
cont, err := New(conf, args)
if err != nil {
- cleanup()
return nil, nil, fmt.Errorf("error creating container: %v", err)
}
containers = append(containers, cont)
if err := cont.Start(conf); err != nil {
- cleanup()
return nil, nil, fmt.Errorf("error starting container: %v", err)
}
}
- return containers, cleanup, nil
+
+ localClean.Release()
+ return containers, cleanupAll, nil
}
type execDesc struct {
@@ -135,159 +141,159 @@ func createSharedMount(mount specs.Mount, name string, pod ...*specs.Spec) {
// TestMultiContainerSanity checks that it is possible to run 2 dead-simple
// containers in the same sandbox.
func TestMultiContainerSanity(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- specs, ids := createSpecs(sleep, sleep)
- containers, cleanup, err := startContainers(conf, specs, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ specs, ids := createSpecs(sleep, sleep)
+ containers, cleanup, err := startContainers(conf, specs, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- // Check via ps that multiple processes are running.
- expectedPL := []*control.Process{
- {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
- }
- if err := waitForProcessList(containers[0], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
- expectedPL = []*control.Process{
- {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
- }
- if err := waitForProcessList(containers[1], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ // Check via ps that multiple processes are running.
+ expectedPL := []*control.Process{
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
+ }
+ if err := waitForProcessList(containers[0], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ expectedPL = []*control.Process{
+ {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
+ }
+ if err := waitForProcessList(containers[1], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ })
}
}
// TestMultiPIDNS checks that it is possible to run 2 dead-simple
// containers in the same sandbox with different pidns.
func TestMultiPIDNS(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- testSpecs, ids := createSpecs(sleep, sleep)
- testSpecs[1].Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{
- {
- Type: "pid",
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ testSpecs, ids := createSpecs(sleep, sleep)
+ testSpecs[1].Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{
+ {
+ Type: "pid",
+ },
},
- },
- }
+ }
- containers, cleanup, err := startContainers(conf, testSpecs, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ containers, cleanup, err := startContainers(conf, testSpecs, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- // Check via ps that multiple processes are running.
- expectedPL := []*control.Process{
- {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
- }
- if err := waitForProcessList(containers[0], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
- expectedPL = []*control.Process{
- {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
- }
- if err := waitForProcessList(containers[1], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ // Check via ps that multiple processes are running.
+ expectedPL := []*control.Process{
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
+ }
+ if err := waitForProcessList(containers[0], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ expectedPL = []*control.Process{
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
+ }
+ if err := waitForProcessList(containers[1], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ })
}
}
// TestMultiPIDNSPath checks the pidns path.
func TestMultiPIDNSPath(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- testSpecs, ids := createSpecs(sleep, sleep, sleep)
- testSpecs[0].Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{
- {
- Type: "pid",
- Path: "/proc/1/ns/pid",
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ testSpecs, ids := createSpecs(sleep, sleep, sleep)
+ testSpecs[0].Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{
+ {
+ Type: "pid",
+ Path: "/proc/1/ns/pid",
+ },
},
- },
- }
- testSpecs[1].Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{
- {
- Type: "pid",
- Path: "/proc/1/ns/pid",
+ }
+ testSpecs[1].Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{
+ {
+ Type: "pid",
+ Path: "/proc/1/ns/pid",
+ },
},
- },
- }
- testSpecs[2].Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{
- {
- Type: "pid",
- Path: "/proc/2/ns/pid",
+ }
+ testSpecs[2].Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{
+ {
+ Type: "pid",
+ Path: "/proc/2/ns/pid",
+ },
},
- },
- }
+ }
- containers, cleanup, err := startContainers(conf, testSpecs, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ containers, cleanup, err := startContainers(conf, testSpecs, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- // Check via ps that multiple processes are running.
- expectedPL := []*control.Process{
- {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
- }
- if err := waitForProcessList(containers[0], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
- if err := waitForProcessList(containers[2], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ // Check via ps that multiple processes are running.
+ expectedPL := []*control.Process{
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
+ }
+ if err := waitForProcessList(containers[0], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ if err := waitForProcessList(containers[2], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
- expectedPL = []*control.Process{
- {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
- }
- if err := waitForProcessList(containers[1], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ expectedPL = []*control.Process{
+ {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
+ }
+ if err := waitForProcessList(containers[1], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
+ })
}
}
func TestMultiContainerWait(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -361,11 +367,11 @@ func TestMultiContainerWait(t *testing.T) {
// TestExecWait ensures what we can wait containers and individual processes in the
// sandbox that have already exited.
func TestExecWait(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -457,11 +463,11 @@ func TestMultiContainerMount(t *testing.T) {
})
// Setup the containers.
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -484,174 +490,174 @@ func TestMultiContainerMount(t *testing.T) {
// TestMultiContainerSignal checks that it is possible to signal individual
// containers without killing the entire sandbox.
func TestMultiContainerSignal(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- specs, ids := createSpecs(sleep, sleep)
- containers, cleanup, err := startContainers(conf, specs, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ specs, ids := createSpecs(sleep, sleep)
+ containers, cleanup, err := startContainers(conf, specs, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- // Check via ps that container 1 process is running.
- expectedPL := []*control.Process{
- {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
- }
+ // Check via ps that container 1 process is running.
+ expectedPL := []*control.Process{
+ {PID: 2, Cmd: "sleep", Threads: []kernel.ThreadID{2}},
+ }
- if err := waitForProcessList(containers[1], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ if err := waitForProcessList(containers[1], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
- // Kill process 2.
- if err := containers[1].SignalContainer(syscall.SIGKILL, false); err != nil {
- t.Errorf("failed to kill process 2: %v", err)
- }
+ // Kill process 2.
+ if err := containers[1].SignalContainer(syscall.SIGKILL, false); err != nil {
+ t.Errorf("failed to kill process 2: %v", err)
+ }
- // Make sure process 1 is still running.
- expectedPL = []*control.Process{
- {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
- }
- if err := waitForProcessList(containers[0], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ // Make sure process 1 is still running.
+ expectedPL = []*control.Process{
+ {PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}},
+ }
+ if err := waitForProcessList(containers[0], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
- // goferPid is reset when container is destroyed.
- goferPid := containers[1].GoferPid
+ // goferPid is reset when container is destroyed.
+ goferPid := containers[1].GoferPid
- // Destroy container and ensure container's gofer process has exited.
- if err := containers[1].Destroy(); err != nil {
- t.Errorf("failed to destroy container: %v", err)
- }
- _, _, err = specutils.RetryEintr(func() (uintptr, uintptr, error) {
- cpid, err := syscall.Wait4(goferPid, nil, 0, nil)
- return uintptr(cpid), 0, err
- })
- if err != syscall.ECHILD {
- t.Errorf("error waiting for gofer to exit: %v", err)
- }
- // Make sure process 1 is still running.
- if err := waitForProcessList(containers[0], expectedPL); err != nil {
- t.Errorf("failed to wait for sleep to start: %v", err)
- }
+ // Destroy container and ensure container's gofer process has exited.
+ if err := containers[1].Destroy(); err != nil {
+ t.Errorf("failed to destroy container: %v", err)
+ }
+ _, _, err = specutils.RetryEintr(func() (uintptr, uintptr, error) {
+ cpid, err := syscall.Wait4(goferPid, nil, 0, nil)
+ return uintptr(cpid), 0, err
+ })
+ if err != syscall.ECHILD {
+ t.Errorf("error waiting for gofer to exit: %v", err)
+ }
+ // Make sure process 1 is still running.
+ if err := waitForProcessList(containers[0], expectedPL); err != nil {
+ t.Errorf("failed to wait for sleep to start: %v", err)
+ }
- // Now that process 2 is gone, ensure we get an error trying to
- // signal it again.
- if err := containers[1].SignalContainer(syscall.SIGKILL, false); err == nil {
- t.Errorf("container %q shouldn't exist, but we were able to signal it", containers[1].ID)
- }
+ // Now that process 2 is gone, ensure we get an error trying to
+ // signal it again.
+ if err := containers[1].SignalContainer(syscall.SIGKILL, false); err == nil {
+ t.Errorf("container %q shouldn't exist, but we were able to signal it", containers[1].ID)
+ }
- // Kill process 1.
- if err := containers[0].SignalContainer(syscall.SIGKILL, false); err != nil {
- t.Errorf("failed to kill process 1: %v", err)
- }
+ // Kill process 1.
+ if err := containers[0].SignalContainer(syscall.SIGKILL, false); err != nil {
+ t.Errorf("failed to kill process 1: %v", err)
+ }
- // Ensure that container's gofer and sandbox process are no more.
- err = blockUntilWaitable(containers[0].GoferPid)
- if err != nil && err != syscall.ECHILD {
- t.Errorf("error waiting for gofer to exit: %v", err)
- }
+ // Ensure that container's gofer and sandbox process are no more.
+ err = blockUntilWaitable(containers[0].GoferPid)
+ if err != nil && err != syscall.ECHILD {
+ t.Errorf("error waiting for gofer to exit: %v", err)
+ }
- err = blockUntilWaitable(containers[0].Sandbox.Pid)
- if err != nil && err != syscall.ECHILD {
- t.Errorf("error waiting for sandbox to exit: %v", err)
- }
+ err = blockUntilWaitable(containers[0].Sandbox.Pid)
+ if err != nil && err != syscall.ECHILD {
+ t.Errorf("error waiting for sandbox to exit: %v", err)
+ }
- // The sentry should be gone, so signaling should yield an error.
- if err := containers[0].SignalContainer(syscall.SIGKILL, false); err == nil {
- t.Errorf("sandbox %q shouldn't exist, but we were able to signal it", containers[0].Sandbox.ID)
- }
+ // The sentry should be gone, so signaling should yield an error.
+ if err := containers[0].SignalContainer(syscall.SIGKILL, false); err == nil {
+ t.Errorf("sandbox %q shouldn't exist, but we were able to signal it", containers[0].Sandbox.ID)
+ }
- if err := containers[0].Destroy(); err != nil {
- t.Errorf("failed to destroy container: %v", err)
- }
+ if err := containers[0].Destroy(); err != nil {
+ t.Errorf("failed to destroy container: %v", err)
+ }
+ })
}
}
// TestMultiContainerDestroy checks that container are properly cleaned-up when
// they are destroyed.
func TestMultiContainerDestroy(t *testing.T) {
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // First container will remain intact while the second container is killed.
- podSpecs, ids := createSpecs(
- []string{"sleep", "100"},
- []string{app, "fork-bomb"})
-
- // Run the fork bomb in a PID namespace to prevent processes to be
- // re-parented to PID=1 in the root container.
- podSpecs[1].Linux = &specs.Linux{
- Namespaces: []specs.LinuxNamespace{{Type: "pid"}},
- }
- containers, cleanup, err := startContainers(conf, podSpecs, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // First container will remain intact while the second container is killed.
+ podSpecs, ids := createSpecs(
+ []string{"sleep", "100"},
+ []string{app, "fork-bomb"})
+
+ // Run the fork bomb in a PID namespace to prevent processes to be
+ // re-parented to PID=1 in the root container.
+ podSpecs[1].Linux = &specs.Linux{
+ Namespaces: []specs.LinuxNamespace{{Type: "pid"}},
+ }
+ containers, cleanup, err := startContainers(conf, podSpecs, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- // Exec more processes to ensure signal all works for exec'd processes too.
- args := &control.ExecArgs{
- Filename: app,
- Argv: []string{app, "fork-bomb"},
- }
- if _, err := containers[1].Execute(args); err != nil {
- t.Fatalf("error exec'ing: %v", err)
- }
+ // Exec more processes to ensure signal all works for exec'd processes too.
+ args := &control.ExecArgs{
+ Filename: app,
+ Argv: []string{app, "fork-bomb"},
+ }
+ if _, err := containers[1].Execute(args); err != nil {
+ t.Fatalf("error exec'ing: %v", err)
+ }
- // Let it brew...
- time.Sleep(500 * time.Millisecond)
+ // Let it brew...
+ time.Sleep(500 * time.Millisecond)
- if err := containers[1].Destroy(); err != nil {
- t.Fatalf("error destroying container: %v", err)
- }
+ if err := containers[1].Destroy(); err != nil {
+ t.Fatalf("error destroying container: %v", err)
+ }
- // Check that destroy killed all processes belonging to the container and
- // waited for them to exit before returning.
- pss, err := containers[0].Sandbox.Processes("")
- if err != nil {
- t.Fatalf("error getting process data from sandbox: %v", err)
- }
- expectedPL := []*control.Process{{PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}}}
- if r, err := procListsEqual(pss, expectedPL); !r {
- t.Errorf("container got process list: %s, want: %s: error: %v",
- procListToString(pss), procListToString(expectedPL), err)
- }
+ // Check that destroy killed all processes belonging to the container and
+ // waited for them to exit before returning.
+ pss, err := containers[0].Sandbox.Processes("")
+ if err != nil {
+ t.Fatalf("error getting process data from sandbox: %v", err)
+ }
+ expectedPL := []*control.Process{{PID: 1, Cmd: "sleep", Threads: []kernel.ThreadID{1}}}
+ if r, err := procListsEqual(pss, expectedPL); !r {
+ t.Errorf("container got process list: %s, want: %s: error: %v",
+ procListToString(pss), procListToString(expectedPL), err)
+ }
- // Check that cont.Destroy is safe to call multiple times.
- if err := containers[1].Destroy(); err != nil {
- t.Errorf("error destroying container: %v", err)
- }
+ // Check that cont.Destroy is safe to call multiple times.
+ if err := containers[1].Destroy(); err != nil {
+ t.Errorf("error destroying container: %v", err)
+ }
+ })
}
}
func TestMultiContainerProcesses(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -706,11 +712,11 @@ func TestMultiContainerProcesses(t *testing.T) {
// TestMultiContainerKillAll checks that all process that belong to a container
// are killed when SIGKILL is sent to *all* processes in that container.
func TestMultiContainerKillAll(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -721,7 +727,7 @@ func TestMultiContainerKillAll(t *testing.T) {
{killContainer: true},
{killContainer: false},
} {
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -739,11 +745,11 @@ func TestMultiContainerKillAll(t *testing.T) {
// Wait until all processes are created.
rootProcCount := int(math.Pow(2, 3) - 1)
if err := waitForProcessCount(containers[0], rootProcCount); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waitting for processes: %v", err)
}
procCount := int(math.Pow(2, 5) - 1)
if err := waitForProcessCount(containers[1], procCount); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Exec more processes to ensure signal works for exec'd processes too.
@@ -757,7 +763,7 @@ func TestMultiContainerKillAll(t *testing.T) {
// Wait for these new processes to start.
procCount += int(math.Pow(2, 3) - 1)
if err := waitForProcessCount(containers[1], procCount); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
if tc.killContainer {
@@ -790,11 +796,11 @@ func TestMultiContainerKillAll(t *testing.T) {
// Check that all processes are gone.
if err := waitForProcessCount(containers[1], 0); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
// Check that root container was not affected.
if err := waitForProcessCount(containers[0], rootProcCount); err != nil {
- t.Fatal(err)
+ t.Fatalf("error waiting for processes: %v", err)
}
}
}
@@ -805,17 +811,16 @@ func TestMultiContainerDestroyNotStarted(t *testing.T) {
[]string{"/bin/sleep", "100"})
conf := testutil.TestConfig(t)
- rootDir, rootBundleDir, err := testutil.SetupContainer(specs[0], conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(specs[0], conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(rootBundleDir)
+ defer cleanup()
rootArgs := Args{
ID: ids[0],
Spec: specs[0],
- BundleDir: rootBundleDir,
+ BundleDir: bundleDir,
}
root, err := New(conf, rootArgs)
if err != nil {
@@ -827,11 +832,11 @@ func TestMultiContainerDestroyNotStarted(t *testing.T) {
}
// Create and destroy sub-container.
- bundleDir, err := testutil.SetupBundleDir(specs[1])
+ bundleDir, cleanupSub, err := testutil.SetupBundleDir(specs[1])
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(bundleDir)
+ defer cleanupSub()
args := Args{
ID: ids[1],
@@ -859,17 +864,16 @@ func TestMultiContainerDestroyStarting(t *testing.T) {
specs, ids := createSpecs(cmds...)
conf := testutil.TestConfig(t)
- rootDir, rootBundleDir, err := testutil.SetupContainer(specs[0], conf)
+ rootDir, bundleDir, cleanup, err := testutil.SetupContainer(specs[0], conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(rootBundleDir)
+ defer cleanup()
rootArgs := Args{
ID: ids[0],
Spec: specs[0],
- BundleDir: rootBundleDir,
+ BundleDir: bundleDir,
}
root, err := New(conf, rootArgs)
if err != nil {
@@ -886,16 +890,16 @@ func TestMultiContainerDestroyStarting(t *testing.T) {
continue // skip root container
}
- bundleDir, err := testutil.SetupBundleDir(specs[i])
+ bundleDir, cleanup, err := testutil.SetupBundleDir(specs[i])
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
rootArgs := Args{
ID: ids[i],
Spec: specs[i],
- BundleDir: rootBundleDir,
+ BundleDir: bundleDir,
}
cont, err := New(conf, rootArgs)
if err != nil {
@@ -937,11 +941,11 @@ func TestMultiContainerDifferentFilesystems(t *testing.T) {
script := fmt.Sprintf("if [ -f %q ]; then exit 1; else touch %q; fi", filename, filename)
cmd := []string{"sh", "-c", script}
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -977,7 +981,7 @@ func TestMultiContainerDifferentFilesystems(t *testing.T) {
// TestMultiContainerContainerDestroyStress tests that IO operations continue
// to work after containers have been stopped and gofers killed.
func TestMultiContainerContainerDestroyStress(t *testing.T) {
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -1007,12 +1011,11 @@ func TestMultiContainerContainerDestroyStress(t *testing.T) {
childrenIDs := allIDs[1:]
conf := testutil.TestConfig(t)
- rootDir, bundleDir, err := testutil.SetupContainer(rootSpec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(rootSpec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Start root container.
rootArgs := Args{
@@ -1038,11 +1041,11 @@ func TestMultiContainerContainerDestroyStress(t *testing.T) {
var children []*Container
for j, spec := range specs {
- bundleDir, err := testutil.SetupBundleDir(spec)
+ bundleDir, cleanup, err := testutil.SetupBundleDir(spec)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
args := Args{
ID: ids[j],
@@ -1080,306 +1083,306 @@ func TestMultiContainerContainerDestroyStress(t *testing.T) {
// Test that pod shared mounts are properly mounted in 2 containers and that
// changes from one container is reflected in the other.
func TestMultiContainerSharedMount(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- podSpec, ids := createSpecs(sleep, sleep)
- mnt0 := specs.Mount{
- Destination: "/mydir/test",
- Source: "/some/dir",
- Type: "tmpfs",
- Options: nil,
- }
- podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ podSpec, ids := createSpecs(sleep, sleep)
+ mnt0 := specs.Mount{
+ Destination: "/mydir/test",
+ Source: "/some/dir",
+ Type: "tmpfs",
+ Options: nil,
+ }
+ podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
- mnt1 := mnt0
- mnt1.Destination = "/mydir2/test2"
- podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
+ mnt1 := mnt0
+ mnt1.Destination = "/mydir2/test2"
+ podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
- createSharedMount(mnt0, "test-mount", podSpec...)
+ createSharedMount(mnt0, "test-mount", podSpec...)
- containers, cleanup, err := startContainers(conf, podSpec, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ containers, cleanup, err := startContainers(conf, podSpec, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- file0 := path.Join(mnt0.Destination, "abc")
- file1 := path.Join(mnt1.Destination, "abc")
- execs := []execDesc{
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-d", mnt0.Destination},
- desc: "directory is mounted in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-d", mnt1.Destination},
- desc: "directory is mounted in container1",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/touch", file0},
- desc: "create file in container0",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-f", file0},
- desc: "file appears in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-f", file1},
- desc: "file appears in container1",
- },
- {
- c: containers[1],
- cmd: []string{"/bin/rm", file1},
- desc: "file removed from container1",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "!", "-f", file0},
- desc: "file removed from container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "!", "-f", file1},
- desc: "file removed from container1",
- },
- {
- c: containers[1],
- cmd: []string{"/bin/mkdir", file1},
- desc: "create directory in container1",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-d", file0},
- desc: "dir appears in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-d", file1},
- desc: "dir appears in container1",
- },
- {
- c: containers[0],
- cmd: []string{"/bin/rmdir", file0},
- desc: "create directory in container0",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "!", "-d", file0},
- desc: "dir removed from container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "!", "-d", file1},
- desc: "dir removed from container1",
- },
- }
- if err := execMany(execs); err != nil {
- t.Fatal(err.Error())
- }
+ file0 := path.Join(mnt0.Destination, "abc")
+ file1 := path.Join(mnt1.Destination, "abc")
+ execs := []execDesc{
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-d", mnt0.Destination},
+ desc: "directory is mounted in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-d", mnt1.Destination},
+ desc: "directory is mounted in container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/touch", file0},
+ desc: "create file in container0",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-f", file0},
+ desc: "file appears in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-f", file1},
+ desc: "file appears in container1",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/bin/rm", file1},
+ desc: "file removed from container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "!", "-f", file0},
+ desc: "file removed from container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "!", "-f", file1},
+ desc: "file removed from container1",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/bin/mkdir", file1},
+ desc: "create directory in container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-d", file0},
+ desc: "dir appears in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-d", file1},
+ desc: "dir appears in container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/bin/rmdir", file0},
+ desc: "create directory in container0",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "!", "-d", file0},
+ desc: "dir removed from container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "!", "-d", file1},
+ desc: "dir removed from container1",
+ },
+ }
+ if err := execMany(execs); err != nil {
+ t.Fatal(err.Error())
+ }
+ })
}
}
// Test that pod mounts are mounted as readonly when requested.
func TestMultiContainerSharedMountReadonly(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- podSpec, ids := createSpecs(sleep, sleep)
- mnt0 := specs.Mount{
- Destination: "/mydir/test",
- Source: "/some/dir",
- Type: "tmpfs",
- Options: []string{"ro"},
- }
- podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ podSpec, ids := createSpecs(sleep, sleep)
+ mnt0 := specs.Mount{
+ Destination: "/mydir/test",
+ Source: "/some/dir",
+ Type: "tmpfs",
+ Options: []string{"ro"},
+ }
+ podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
- mnt1 := mnt0
- mnt1.Destination = "/mydir2/test2"
- podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
+ mnt1 := mnt0
+ mnt1.Destination = "/mydir2/test2"
+ podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
- createSharedMount(mnt0, "test-mount", podSpec...)
+ createSharedMount(mnt0, "test-mount", podSpec...)
- containers, cleanup, err := startContainers(conf, podSpec, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ containers, cleanup, err := startContainers(conf, podSpec, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- file0 := path.Join(mnt0.Destination, "abc")
- file1 := path.Join(mnt1.Destination, "abc")
- execs := []execDesc{
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-d", mnt0.Destination},
- desc: "directory is mounted in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-d", mnt1.Destination},
- desc: "directory is mounted in container1",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/touch", file0},
- want: 1,
- desc: "fails to write to container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/touch", file1},
- want: 1,
- desc: "fails to write to container1",
- },
- }
- if err := execMany(execs); err != nil {
- t.Fatal(err.Error())
- }
+ file0 := path.Join(mnt0.Destination, "abc")
+ file1 := path.Join(mnt1.Destination, "abc")
+ execs := []execDesc{
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-d", mnt0.Destination},
+ desc: "directory is mounted in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-d", mnt1.Destination},
+ desc: "directory is mounted in container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/touch", file0},
+ want: 1,
+ desc: "fails to write to container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/touch", file1},
+ want: 1,
+ desc: "fails to write to container1",
+ },
+ }
+ if err := execMany(execs); err != nil {
+ t.Fatal(err.Error())
+ }
+ })
}
}
// Test that shared pod mounts continue to work after container is restarted.
func TestMultiContainerSharedMountRestart(t *testing.T) {
- for _, conf := range configs(t, all...) {
- t.Logf("Running test with conf: %+v", conf)
-
- rootDir, err := testutil.SetupRootDir()
- if err != nil {
- t.Fatalf("error creating root dir: %v", err)
- }
- defer os.RemoveAll(rootDir)
- conf.RootDir = rootDir
-
- // Setup the containers.
- sleep := []string{"sleep", "100"}
- podSpec, ids := createSpecs(sleep, sleep)
- mnt0 := specs.Mount{
- Destination: "/mydir/test",
- Source: "/some/dir",
- Type: "tmpfs",
- Options: nil,
- }
- podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
+ for name, conf := range configs(t, all...) {
+ t.Run(name, func(t *testing.T) {
+ rootDir, cleanup, err := testutil.SetupRootDir()
+ if err != nil {
+ t.Fatalf("error creating root dir: %v", err)
+ }
+ defer cleanup()
+ conf.RootDir = rootDir
+
+ // Setup the containers.
+ sleep := []string{"sleep", "100"}
+ podSpec, ids := createSpecs(sleep, sleep)
+ mnt0 := specs.Mount{
+ Destination: "/mydir/test",
+ Source: "/some/dir",
+ Type: "tmpfs",
+ Options: nil,
+ }
+ podSpec[0].Mounts = append(podSpec[0].Mounts, mnt0)
- mnt1 := mnt0
- mnt1.Destination = "/mydir2/test2"
- podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
+ mnt1 := mnt0
+ mnt1.Destination = "/mydir2/test2"
+ podSpec[1].Mounts = append(podSpec[1].Mounts, mnt1)
- createSharedMount(mnt0, "test-mount", podSpec...)
+ createSharedMount(mnt0, "test-mount", podSpec...)
- containers, cleanup, err := startContainers(conf, podSpec, ids)
- if err != nil {
- t.Fatalf("error starting containers: %v", err)
- }
- defer cleanup()
+ containers, cleanup, err := startContainers(conf, podSpec, ids)
+ if err != nil {
+ t.Fatalf("error starting containers: %v", err)
+ }
+ defer cleanup()
- file0 := path.Join(mnt0.Destination, "abc")
- file1 := path.Join(mnt1.Destination, "abc")
- execs := []execDesc{
- {
- c: containers[0],
- cmd: []string{"/usr/bin/touch", file0},
- desc: "create file in container0",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-f", file0},
- desc: "file appears in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-f", file1},
- desc: "file appears in container1",
- },
- }
- if err := execMany(execs); err != nil {
- t.Fatal(err.Error())
- }
+ file0 := path.Join(mnt0.Destination, "abc")
+ file1 := path.Join(mnt1.Destination, "abc")
+ execs := []execDesc{
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/touch", file0},
+ desc: "create file in container0",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-f", file0},
+ desc: "file appears in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-f", file1},
+ desc: "file appears in container1",
+ },
+ }
+ if err := execMany(execs); err != nil {
+ t.Fatal(err.Error())
+ }
- containers[1].Destroy()
+ containers[1].Destroy()
- bundleDir, err := testutil.SetupBundleDir(podSpec[1])
- if err != nil {
- t.Fatalf("error restarting container: %v", err)
- }
- defer os.RemoveAll(bundleDir)
+ bundleDir, cleanup, err := testutil.SetupBundleDir(podSpec[1])
+ if err != nil {
+ t.Fatalf("error restarting container: %v", err)
+ }
+ defer cleanup()
- args := Args{
- ID: ids[1],
- Spec: podSpec[1],
- BundleDir: bundleDir,
- }
- containers[1], err = New(conf, args)
- if err != nil {
- t.Fatalf("error creating container: %v", err)
- }
- if err := containers[1].Start(conf); err != nil {
- t.Fatalf("error starting container: %v", err)
- }
+ args := Args{
+ ID: ids[1],
+ Spec: podSpec[1],
+ BundleDir: bundleDir,
+ }
+ containers[1], err = New(conf, args)
+ if err != nil {
+ t.Fatalf("error creating container: %v", err)
+ }
+ if err := containers[1].Start(conf); err != nil {
+ t.Fatalf("error starting container: %v", err)
+ }
- execs = []execDesc{
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "-f", file0},
- desc: "file is still in container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "-f", file1},
- desc: "file is still in container1",
- },
- {
- c: containers[1],
- cmd: []string{"/bin/rm", file1},
- desc: "file removed from container1",
- },
- {
- c: containers[0],
- cmd: []string{"/usr/bin/test", "!", "-f", file0},
- desc: "file removed from container0",
- },
- {
- c: containers[1],
- cmd: []string{"/usr/bin/test", "!", "-f", file1},
- desc: "file removed from container1",
- },
- }
- if err := execMany(execs); err != nil {
- t.Fatal(err.Error())
- }
+ execs = []execDesc{
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "-f", file0},
+ desc: "file is still in container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "-f", file1},
+ desc: "file is still in container1",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/bin/rm", file1},
+ desc: "file removed from container1",
+ },
+ {
+ c: containers[0],
+ cmd: []string{"/usr/bin/test", "!", "-f", file0},
+ desc: "file removed from container0",
+ },
+ {
+ c: containers[1],
+ cmd: []string{"/usr/bin/test", "!", "-f", file1},
+ desc: "file removed from container1",
+ },
+ }
+ if err := execMany(execs); err != nil {
+ t.Fatal(err.Error())
+ }
+ })
}
}
// Test that unsupported pod mounts options are ignored when matching master and
// slave mounts.
func TestMultiContainerSharedMountUnsupportedOptions(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -1428,7 +1431,7 @@ func TestMultiContainerSharedMountUnsupportedOptions(t *testing.T) {
// Test that one container can send an FD to another container, even though
// they have distinct MountNamespaces.
func TestMultiContainerMultiRootCanHandleFDs(t *testing.T) {
- app, err := testutil.FindFile("runsc/container/test_app/test_app")
+ app, err := testutil.FindFile("test/cmd/test_app/test_app")
if err != nil {
t.Fatal("error finding test_app:", err)
}
@@ -1457,11 +1460,11 @@ func TestMultiContainerMultiRootCanHandleFDs(t *testing.T) {
Type: "tmpfs",
}
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -1494,11 +1497,11 @@ func TestMultiContainerMultiRootCanHandleFDs(t *testing.T) {
// Test that container is destroyed when Gofer is killed.
func TestMultiContainerGoferKilled(t *testing.T) {
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -1581,11 +1584,11 @@ func TestMultiContainerLoadSandbox(t *testing.T) {
sleep := []string{"sleep", "100"}
specs, ids := createSpecs(sleep, sleep, sleep)
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
@@ -1614,7 +1617,7 @@ func TestMultiContainerLoadSandbox(t *testing.T) {
}
// Create a valid but empty container directory.
- randomCID := testutil.UniqueContainerID()
+ randomCID := testutil.RandomContainerID()
dir = filepath.Join(conf.RootDir, randomCID)
if err := os.MkdirAll(dir, 0755); err != nil {
t.Fatalf("os.MkdirAll(%q)=%v", dir, err)
@@ -1681,11 +1684,11 @@ func TestMultiContainerRunNonRoot(t *testing.T) {
Type: "bind",
})
- rootDir, err := testutil.SetupRootDir()
+ rootDir, cleanup, err := testutil.SetupRootDir()
if err != nil {
t.Fatalf("error creating root dir: %v", err)
}
- defer os.RemoveAll(rootDir)
+ defer cleanup()
conf := testutil.TestConfig(t)
conf.RootDir = rootDir
diff --git a/runsc/container/shared_volume_test.go b/runsc/container/shared_volume_test.go
index f80852414..bac177a88 100644
--- a/runsc/container/shared_volume_test.go
+++ b/runsc/container/shared_volume_test.go
@@ -24,8 +24,8 @@ import (
"gvisor.dev/gvisor/pkg/sentry/control"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
+ "gvisor.dev/gvisor/pkg/test/testutil"
"gvisor.dev/gvisor/runsc/boot"
- "gvisor.dev/gvisor/runsc/testutil"
)
// TestSharedVolume checks that modifications to a volume mount are propagated
@@ -33,7 +33,6 @@ import (
func TestSharedVolume(t *testing.T) {
conf := testutil.TestConfig(t)
conf.FileAccess = boot.FileAccessShared
- t.Logf("Running test with conf: %+v", conf)
// Main process just sleeps. We will use "exec" to probe the state of
// the filesystem.
@@ -44,16 +43,15 @@ func TestSharedVolume(t *testing.T) {
t.Fatalf("TempDir failed: %v", err)
}
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
@@ -192,7 +190,6 @@ func checkFile(c *Container, filename string, want []byte) error {
func TestSharedVolumeFile(t *testing.T) {
conf := testutil.TestConfig(t)
conf.FileAccess = boot.FileAccessShared
- t.Logf("Running test with conf: %+v", conf)
// Main process just sleeps. We will use "exec" to probe the state of
// the filesystem.
@@ -203,16 +200,15 @@ func TestSharedVolumeFile(t *testing.T) {
t.Fatalf("TempDir failed: %v", err)
}
- rootDir, bundleDir, err := testutil.SetupContainer(spec, conf)
+ _, bundleDir, cleanup, err := testutil.SetupContainer(spec, conf)
if err != nil {
t.Fatalf("error setting up container: %v", err)
}
- defer os.RemoveAll(rootDir)
- defer os.RemoveAll(bundleDir)
+ defer cleanup()
// Create and start the container.
args := Args{
- ID: testutil.UniqueContainerID(),
+ ID: testutil.RandomContainerID(),
Spec: spec,
BundleDir: bundleDir,
}
diff --git a/runsc/container/test_app/BUILD b/runsc/container/test_app/BUILD
deleted file mode 100644
index 0defbd9fc..000000000
--- a/runsc/container/test_app/BUILD
+++ /dev/null
@@ -1,21 +0,0 @@
-load("//tools:defs.bzl", "go_binary")
-
-package(licenses = ["notice"])
-
-go_binary(
- name = "test_app",
- testonly = 1,
- srcs = [
- "fds.go",
- "test_app.go",
- ],
- pure = True,
- visibility = ["//runsc/container:__pkg__"],
- deps = [
- "//pkg/unet",
- "//runsc/flag",
- "//runsc/testutil",
- "@com_github_google_subcommands//:go_default_library",
- "@com_github_kr_pty//:go_default_library",
- ],
-)
diff --git a/runsc/container/test_app/fds.go b/runsc/container/test_app/fds.go
deleted file mode 100644
index 2a146a2c3..000000000
--- a/runsc/container/test_app/fds.go
+++ /dev/null
@@ -1,185 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package main
-
-import (
- "context"
- "io/ioutil"
- "log"
- "os"
- "time"
-
- "github.com/google/subcommands"
- "gvisor.dev/gvisor/pkg/unet"
- "gvisor.dev/gvisor/runsc/flag"
- "gvisor.dev/gvisor/runsc/testutil"
-)
-
-const fileContents = "foobarbaz"
-
-// fdSender will open a file and send the FD over a unix domain socket.
-type fdSender struct {
- socketPath string
-}
-
-// Name implements subcommands.Command.Name.
-func (*fdSender) Name() string {
- return "fd_sender"
-}
-
-// Synopsis implements subcommands.Command.Synopsys.
-func (*fdSender) Synopsis() string {
- return "creates a file and sends the FD over the socket"
-}
-
-// Usage implements subcommands.Command.Usage.
-func (*fdSender) Usage() string {
- return "fd_sender <flags>"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (fds *fdSender) SetFlags(f *flag.FlagSet) {
- f.StringVar(&fds.socketPath, "socket", "", "path to socket")
-}
-
-// Execute implements subcommands.Command.Execute.
-func (fds *fdSender) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- if fds.socketPath == "" {
- log.Fatalf("socket flag must be set")
- }
-
- dir, err := ioutil.TempDir("", "")
- if err != nil {
- log.Fatalf("TempDir failed: %v", err)
- }
-
- fileToSend, err := ioutil.TempFile(dir, "")
- if err != nil {
- log.Fatalf("TempFile failed: %v", err)
- }
- defer fileToSend.Close()
-
- if _, err := fileToSend.WriteString(fileContents); err != nil {
- log.Fatalf("Write(%q) failed: %v", fileContents, err)
- }
-
- // Receiver may not be started yet, so try connecting in a poll loop.
- var s *unet.Socket
- if err := testutil.Poll(func() error {
- var err error
- s, err = unet.Connect(fds.socketPath, true /* SEQPACKET, so we can send empty message with FD */)
- return err
- }, 10*time.Second); err != nil {
- log.Fatalf("Error connecting to socket %q: %v", fds.socketPath, err)
- }
- defer s.Close()
-
- w := s.Writer(true)
- w.ControlMessage.PackFDs(int(fileToSend.Fd()))
- if _, err := w.WriteVec([][]byte{[]byte{'a'}}); err != nil {
- log.Fatalf("Error sending FD %q over socket %q: %v", fileToSend.Fd(), fds.socketPath, err)
- }
-
- log.Print("FD SENDER exiting successfully")
- return subcommands.ExitSuccess
-}
-
-// fdReceiver receives an FD from a unix domain socket and does things to it.
-type fdReceiver struct {
- socketPath string
-}
-
-// Name implements subcommands.Command.Name.
-func (*fdReceiver) Name() string {
- return "fd_receiver"
-}
-
-// Synopsis implements subcommands.Command.Synopsys.
-func (*fdReceiver) Synopsis() string {
- return "reads an FD from a unix socket, and then does things to it"
-}
-
-// Usage implements subcommands.Command.Usage.
-func (*fdReceiver) Usage() string {
- return "fd_receiver <flags>"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (fdr *fdReceiver) SetFlags(f *flag.FlagSet) {
- f.StringVar(&fdr.socketPath, "socket", "", "path to socket")
-}
-
-// Execute implements subcommands.Command.Execute.
-func (fdr *fdReceiver) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- if fdr.socketPath == "" {
- log.Fatalf("Flags cannot be empty, given: socket: %q", fdr.socketPath)
- }
-
- ss, err := unet.BindAndListen(fdr.socketPath, true /* packet */)
- if err != nil {
- log.Fatalf("BindAndListen(%q) failed: %v", fdr.socketPath, err)
- }
- defer ss.Close()
-
- var s *unet.Socket
- c := make(chan error, 1)
- go func() {
- var err error
- s, err = ss.Accept()
- c <- err
- }()
-
- select {
- case err := <-c:
- if err != nil {
- log.Fatalf("Accept() failed: %v", err)
- }
- case <-time.After(10 * time.Second):
- log.Fatalf("Timeout waiting for accept")
- }
-
- r := s.Reader(true)
- r.EnableFDs(1)
- b := [][]byte{{'a'}}
- if n, err := r.ReadVec(b); n != 1 || err != nil {
- log.Fatalf("ReadVec got n=%d err %v (wanted 0, nil)", n, err)
- }
-
- fds, err := r.ExtractFDs()
- if err != nil {
- log.Fatalf("ExtractFD() got err %v", err)
- }
- if len(fds) != 1 {
- log.Fatalf("ExtractFD() got %d FDs, wanted 1", len(fds))
- }
- fd := fds[0]
-
- file := os.NewFile(uintptr(fd), "received file")
- defer file.Close()
- if _, err := file.Seek(0, os.SEEK_SET); err != nil {
- log.Fatalf("Seek(0, 0) failed: %v", err)
- }
-
- got, err := ioutil.ReadAll(file)
- if err != nil {
- log.Fatalf("ReadAll failed: %v", err)
- }
- if string(got) != fileContents {
- log.Fatalf("ReadAll got %q want %q", string(got), fileContents)
- }
-
- log.Print("FD RECEIVER exiting successfully")
- return subcommands.ExitSuccess
-}
diff --git a/runsc/container/test_app/test_app.go b/runsc/container/test_app/test_app.go
deleted file mode 100644
index 5f1c4b7d6..000000000
--- a/runsc/container/test_app/test_app.go
+++ /dev/null
@@ -1,394 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Binary test_app is like a swiss knife for tests that need to run anything
-// inside the sandbox. New functionality can be added with new commands.
-package main
-
-import (
- "context"
- "fmt"
- "io"
- "io/ioutil"
- "log"
- "net"
- "os"
- "os/exec"
- "regexp"
- "strconv"
- sys "syscall"
- "time"
-
- "github.com/google/subcommands"
- "github.com/kr/pty"
- "gvisor.dev/gvisor/runsc/flag"
- "gvisor.dev/gvisor/runsc/testutil"
-)
-
-func main() {
- subcommands.Register(subcommands.HelpCommand(), "")
- subcommands.Register(subcommands.FlagsCommand(), "")
- subcommands.Register(new(capability), "")
- subcommands.Register(new(fdReceiver), "")
- subcommands.Register(new(fdSender), "")
- subcommands.Register(new(forkBomb), "")
- subcommands.Register(new(ptyRunner), "")
- subcommands.Register(new(reaper), "")
- subcommands.Register(new(syscall), "")
- subcommands.Register(new(taskTree), "")
- subcommands.Register(new(uds), "")
-
- flag.Parse()
-
- exitCode := subcommands.Execute(context.Background())
- os.Exit(int(exitCode))
-}
-
-type uds struct {
- fileName string
- socketPath string
-}
-
-// Name implements subcommands.Command.Name.
-func (*uds) Name() string {
- return "uds"
-}
-
-// Synopsis implements subcommands.Command.Synopsys.
-func (*uds) Synopsis() string {
- return "creates unix domain socket client and server. Client sends a contant flow of sequential numbers. Server prints them to --file"
-}
-
-// Usage implements subcommands.Command.Usage.
-func (*uds) Usage() string {
- return "uds <flags>"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (c *uds) SetFlags(f *flag.FlagSet) {
- f.StringVar(&c.fileName, "file", "", "name of output file")
- f.StringVar(&c.socketPath, "socket", "", "path to socket")
-}
-
-// Execute implements subcommands.Command.Execute.
-func (c *uds) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- if c.fileName == "" || c.socketPath == "" {
- log.Fatalf("Flags cannot be empty, given: fileName: %q, socketPath: %q", c.fileName, c.socketPath)
- return subcommands.ExitFailure
- }
- outputFile, err := os.OpenFile(c.fileName, os.O_WRONLY|os.O_CREATE, 0666)
- if err != nil {
- log.Fatal("error opening output file:", err)
- }
-
- defer os.Remove(c.socketPath)
-
- listener, err := net.Listen("unix", c.socketPath)
- if err != nil {
- log.Fatalf("error listening on socket %q: %v", c.socketPath, err)
- }
-
- go server(listener, outputFile)
- for i := 0; ; i++ {
- conn, err := net.Dial("unix", c.socketPath)
- if err != nil {
- log.Fatal("error dialing:", err)
- }
- if _, err := conn.Write([]byte(strconv.Itoa(i))); err != nil {
- log.Fatal("error writing:", err)
- }
- conn.Close()
- time.Sleep(100 * time.Millisecond)
- }
-}
-
-func server(listener net.Listener, out *os.File) {
- buf := make([]byte, 16)
-
- for {
- c, err := listener.Accept()
- if err != nil {
- log.Fatal("error accepting connection:", err)
- }
- nr, err := c.Read(buf)
- if err != nil {
- log.Fatal("error reading from buf:", err)
- }
- data := buf[0:nr]
- fmt.Fprint(out, string(data)+"\n")
- }
-}
-
-type taskTree struct {
- depth int
- width int
- pause bool
-}
-
-// Name implements subcommands.Command.
-func (*taskTree) Name() string {
- return "task-tree"
-}
-
-// Synopsis implements subcommands.Command.
-func (*taskTree) Synopsis() string {
- return "creates a tree of tasks"
-}
-
-// Usage implements subcommands.Command.
-func (*taskTree) Usage() string {
- return "task-tree <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *taskTree) SetFlags(f *flag.FlagSet) {
- f.IntVar(&c.depth, "depth", 1, "number of levels to create")
- f.IntVar(&c.width, "width", 1, "number of tasks at each level")
- f.BoolVar(&c.pause, "pause", false, "whether the tasks should pause perpetually")
-}
-
-// Execute implements subcommands.Command.
-func (c *taskTree) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- stop := testutil.StartReaper()
- defer stop()
-
- if c.depth == 0 {
- log.Printf("Child sleeping, PID: %d\n", os.Getpid())
- select {}
- }
- log.Printf("Parent %d sleeping, PID: %d\n", c.depth, os.Getpid())
-
- var cmds []*exec.Cmd
- for i := 0; i < c.width; i++ {
- cmd := exec.Command(
- "/proc/self/exe", c.Name(),
- "--depth", strconv.Itoa(c.depth-1),
- "--width", strconv.Itoa(c.width),
- "--pause", strconv.FormatBool(c.pause))
- cmd.Stdout = os.Stdout
- cmd.Stderr = os.Stderr
-
- if err := cmd.Start(); err != nil {
- log.Fatal("failed to call self:", err)
- }
- cmds = append(cmds, cmd)
- }
-
- for _, c := range cmds {
- c.Wait()
- }
-
- if c.pause {
- select {}
- }
-
- return subcommands.ExitSuccess
-}
-
-type forkBomb struct {
- delay time.Duration
-}
-
-// Name implements subcommands.Command.
-func (*forkBomb) Name() string {
- return "fork-bomb"
-}
-
-// Synopsis implements subcommands.Command.
-func (*forkBomb) Synopsis() string {
- return "creates child process until the end of times"
-}
-
-// Usage implements subcommands.Command.
-func (*forkBomb) Usage() string {
- return "fork-bomb <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *forkBomb) SetFlags(f *flag.FlagSet) {
- f.DurationVar(&c.delay, "delay", 100*time.Millisecond, "amount of time to delay creation of child")
-}
-
-// Execute implements subcommands.Command.
-func (c *forkBomb) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- time.Sleep(c.delay)
-
- cmd := exec.Command("/proc/self/exe", c.Name())
- cmd.Stdout = os.Stdout
- cmd.Stderr = os.Stderr
- if err := cmd.Run(); err != nil {
- log.Fatal("failed to call self:", err)
- }
- return subcommands.ExitSuccess
-}
-
-type reaper struct{}
-
-// Name implements subcommands.Command.
-func (*reaper) Name() string {
- return "reaper"
-}
-
-// Synopsis implements subcommands.Command.
-func (*reaper) Synopsis() string {
- return "reaps all children in a loop"
-}
-
-// Usage implements subcommands.Command.
-func (*reaper) Usage() string {
- return "reaper <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (*reaper) SetFlags(*flag.FlagSet) {}
-
-// Execute implements subcommands.Command.
-func (c *reaper) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- stop := testutil.StartReaper()
- defer stop()
- select {}
-}
-
-type syscall struct {
- sysno uint64
-}
-
-// Name implements subcommands.Command.
-func (*syscall) Name() string {
- return "syscall"
-}
-
-// Synopsis implements subcommands.Command.
-func (*syscall) Synopsis() string {
- return "syscall makes a syscall"
-}
-
-// Usage implements subcommands.Command.
-func (*syscall) Usage() string {
- return "syscall <flags>"
-}
-
-// SetFlags implements subcommands.Command.
-func (s *syscall) SetFlags(f *flag.FlagSet) {
- f.Uint64Var(&s.sysno, "syscall", 0, "syscall to call")
-}
-
-// Execute implements subcommands.Command.
-func (s *syscall) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- if _, _, errno := sys.Syscall(uintptr(s.sysno), 0, 0, 0); errno != 0 {
- fmt.Printf("syscall(%d, 0, 0...) failed: %v\n", s.sysno, errno)
- } else {
- fmt.Printf("syscall(%d, 0, 0...) success\n", s.sysno)
- }
- return subcommands.ExitSuccess
-}
-
-type capability struct {
- enabled uint64
- disabled uint64
-}
-
-// Name implements subcommands.Command.
-func (*capability) Name() string {
- return "capability"
-}
-
-// Synopsis implements subcommands.Command.
-func (*capability) Synopsis() string {
- return "checks if effective capabilities are set/unset"
-}
-
-// Usage implements subcommands.Command.
-func (*capability) Usage() string {
- return "capability [--enabled=number] [--disabled=number]"
-}
-
-// SetFlags implements subcommands.Command.
-func (c *capability) SetFlags(f *flag.FlagSet) {
- f.Uint64Var(&c.enabled, "enabled", 0, "")
- f.Uint64Var(&c.disabled, "disabled", 0, "")
-}
-
-// Execute implements subcommands.Command.
-func (c *capability) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
- if c.enabled == 0 && c.disabled == 0 {
- fmt.Println("One of the flags must be set")
- return subcommands.ExitUsageError
- }
-
- status, err := ioutil.ReadFile("/proc/self/status")
- if err != nil {
- fmt.Printf("Error reading %q: %v\n", "proc/self/status", err)
- return subcommands.ExitFailure
- }
- re := regexp.MustCompile("CapEff:\t([0-9a-f]+)\n")
- matches := re.FindStringSubmatch(string(status))
- if matches == nil || len(matches) != 2 {
- fmt.Printf("Effective capabilities not found in\n%s\n", status)
- return subcommands.ExitFailure
- }
- caps, err := strconv.ParseUint(matches[1], 16, 64)
- if err != nil {
- fmt.Printf("failed to convert capabilities %q: %v\n", matches[1], err)
- return subcommands.ExitFailure
- }
-
- if c.enabled != 0 && (caps&c.enabled) != c.enabled {
- fmt.Printf("Missing capabilities, want: %#x: got: %#x\n", c.enabled, caps)
- return subcommands.ExitFailure
- }
- if c.disabled != 0 && (caps&c.disabled) != 0 {
- fmt.Printf("Extra capabilities found, dont_want: %#x: got: %#x\n", c.disabled, caps)
- return subcommands.ExitFailure
- }
-
- return subcommands.ExitSuccess
-}
-
-type ptyRunner struct{}
-
-// Name implements subcommands.Command.
-func (*ptyRunner) Name() string {
- return "pty-runner"
-}
-
-// Synopsis implements subcommands.Command.
-func (*ptyRunner) Synopsis() string {
- return "runs the given command with an open pty terminal"
-}
-
-// Usage implements subcommands.Command.
-func (*ptyRunner) Usage() string {
- return "pty-runner [command]"
-}
-
-// SetFlags implements subcommands.Command.SetFlags.
-func (*ptyRunner) SetFlags(f *flag.FlagSet) {}
-
-// Execute implements subcommands.Command.
-func (*ptyRunner) Execute(_ context.Context, fs *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
- c := exec.Command(fs.Args()[0], fs.Args()[1:]...)
- f, err := pty.Start(c)
- if err != nil {
- fmt.Printf("pty.Start failed: %v", err)
- return subcommands.ExitFailure
- }
- defer f.Close()
-
- // Copy stdout from the command to keep this process alive until the
- // subprocess exits.
- io.Copy(os.Stdout, f)
-
- return subcommands.ExitSuccess
-}
diff --git a/runsc/criutil/BUILD b/runsc/criutil/BUILD
deleted file mode 100644
index 8a571a000..000000000
--- a/runsc/criutil/BUILD
+++ /dev/null
@@ -1,11 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "criutil",
- testonly = 1,
- srcs = ["criutil.go"],
- visibility = ["//:sandbox"],
- deps = ["//runsc/testutil"],
-)
diff --git a/runsc/criutil/criutil.go b/runsc/criutil/criutil.go
deleted file mode 100644
index 773f5a1c4..000000000
--- a/runsc/criutil/criutil.go
+++ /dev/null
@@ -1,277 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package criutil contains utility functions for interacting with the
-// Container Runtime Interface (CRI), principally via the crictl command line
-// tool. This requires critools to be installed on the local system.
-package criutil
-
-import (
- "encoding/json"
- "fmt"
- "os"
- "os/exec"
- "strings"
- "time"
-
- "gvisor.dev/gvisor/runsc/testutil"
-)
-
-const endpointPrefix = "unix://"
-
-// Crictl contains information required to run the crictl utility.
-type Crictl struct {
- executable string
- timeout time.Duration
- imageEndpoint string
- runtimeEndpoint string
-}
-
-// NewCrictl returns a Crictl configured with a timeout and an endpoint over
-// which it will talk to containerd.
-func NewCrictl(timeout time.Duration, endpoint string) *Crictl {
- // Bazel doesn't pass PATH through, assume the location of crictl
- // unless specified by environment variable.
- executable := os.Getenv("CRICTL_PATH")
- if executable == "" {
- executable = "/usr/local/bin/crictl"
- }
- return &Crictl{
- executable: executable,
- timeout: timeout,
- imageEndpoint: endpointPrefix + endpoint,
- runtimeEndpoint: endpointPrefix + endpoint,
- }
-}
-
-// Pull pulls an container image. It corresponds to `crictl pull`.
-func (cc *Crictl) Pull(imageName string) error {
- _, err := cc.run("pull", imageName)
- return err
-}
-
-// RunPod creates a sandbox. It corresponds to `crictl runp`.
-func (cc *Crictl) RunPod(sbSpecFile string) (string, error) {
- podID, err := cc.run("runp", sbSpecFile)
- if err != nil {
- return "", fmt.Errorf("runp failed: %v", err)
- }
- // Strip the trailing newline from crictl output.
- return strings.TrimSpace(podID), nil
-}
-
-// Create creates a container within a sandbox. It corresponds to `crictl
-// create`.
-func (cc *Crictl) Create(podID, contSpecFile, sbSpecFile string) (string, error) {
- podID, err := cc.run("create", podID, contSpecFile, sbSpecFile)
- if err != nil {
- return "", fmt.Errorf("create failed: %v", err)
- }
- // Strip the trailing newline from crictl output.
- return strings.TrimSpace(podID), nil
-}
-
-// Start starts a container. It corresponds to `crictl start`.
-func (cc *Crictl) Start(contID string) (string, error) {
- output, err := cc.run("start", contID)
- if err != nil {
- return "", fmt.Errorf("start failed: %v", err)
- }
- return output, nil
-}
-
-// Stop stops a container. It corresponds to `crictl stop`.
-func (cc *Crictl) Stop(contID string) error {
- _, err := cc.run("stop", contID)
- return err
-}
-
-// Exec execs a program inside a container. It corresponds to `crictl exec`.
-func (cc *Crictl) Exec(contID string, args ...string) (string, error) {
- a := []string{"exec", contID}
- a = append(a, args...)
- output, err := cc.run(a...)
- if err != nil {
- return "", fmt.Errorf("exec failed: %v", err)
- }
- return output, nil
-}
-
-// Rm removes a container. It corresponds to `crictl rm`.
-func (cc *Crictl) Rm(contID string) error {
- _, err := cc.run("rm", contID)
- return err
-}
-
-// StopPod stops a pod. It corresponds to `crictl stopp`.
-func (cc *Crictl) StopPod(podID string) error {
- _, err := cc.run("stopp", podID)
- return err
-}
-
-// containsConfig is a minimal copy of
-// https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/apis/cri/runtime/v1alpha2/api.proto
-// It only contains fields needed for testing.
-type containerConfig struct {
- Status containerStatus
-}
-
-type containerStatus struct {
- Network containerNetwork
-}
-
-type containerNetwork struct {
- IP string
-}
-
-// PodIP returns a pod's IP address.
-func (cc *Crictl) PodIP(podID string) (string, error) {
- output, err := cc.run("inspectp", podID)
- if err != nil {
- return "", err
- }
- conf := &containerConfig{}
- if err := json.Unmarshal([]byte(output), conf); err != nil {
- return "", fmt.Errorf("failed to unmarshal JSON: %v, %s", err, output)
- }
- if conf.Status.Network.IP == "" {
- return "", fmt.Errorf("no IP found in config: %s", output)
- }
- return conf.Status.Network.IP, nil
-}
-
-// RmPod removes a container. It corresponds to `crictl rmp`.
-func (cc *Crictl) RmPod(podID string) error {
- _, err := cc.run("rmp", podID)
- return err
-}
-
-// StartContainer pulls the given image ands starts the container in the
-// sandbox with the given podID.
-func (cc *Crictl) StartContainer(podID, image, sbSpec, contSpec string) (string, error) {
- // Write the specs to files that can be read by crictl.
- sbSpecFile, err := testutil.WriteTmpFile("sbSpec", sbSpec)
- if err != nil {
- return "", fmt.Errorf("failed to write sandbox spec: %v", err)
- }
- contSpecFile, err := testutil.WriteTmpFile("contSpec", contSpec)
- if err != nil {
- return "", fmt.Errorf("failed to write container spec: %v", err)
- }
-
- return cc.startContainer(podID, image, sbSpecFile, contSpecFile)
-}
-
-func (cc *Crictl) startContainer(podID, image, sbSpecFile, contSpecFile string) (string, error) {
- if err := cc.Pull(image); err != nil {
- return "", fmt.Errorf("failed to pull %s: %v", image, err)
- }
-
- contID, err := cc.Create(podID, contSpecFile, sbSpecFile)
- if err != nil {
- return "", fmt.Errorf("failed to create container in pod %q: %v", podID, err)
- }
-
- if _, err := cc.Start(contID); err != nil {
- return "", fmt.Errorf("failed to start container %q in pod %q: %v", contID, podID, err)
- }
-
- return contID, nil
-}
-
-// StopContainer stops and deletes the container with the given container ID.
-func (cc *Crictl) StopContainer(contID string) error {
- if err := cc.Stop(contID); err != nil {
- return fmt.Errorf("failed to stop container %q: %v", contID, err)
- }
-
- if err := cc.Rm(contID); err != nil {
- return fmt.Errorf("failed to remove container %q: %v", contID, err)
- }
-
- return nil
-}
-
-// StartPodAndContainer pulls an image, then starts a sandbox and container in
-// that sandbox. It returns the pod ID and container ID.
-func (cc *Crictl) StartPodAndContainer(image, sbSpec, contSpec string) (string, string, error) {
- // Write the specs to files that can be read by crictl.
- sbSpecFile, err := testutil.WriteTmpFile("sbSpec", sbSpec)
- if err != nil {
- return "", "", fmt.Errorf("failed to write sandbox spec: %v", err)
- }
- contSpecFile, err := testutil.WriteTmpFile("contSpec", contSpec)
- if err != nil {
- return "", "", fmt.Errorf("failed to write container spec: %v", err)
- }
-
- podID, err := cc.RunPod(sbSpecFile)
- if err != nil {
- return "", "", err
- }
-
- contID, err := cc.startContainer(podID, image, sbSpecFile, contSpecFile)
-
- return podID, contID, err
-}
-
-// StopPodAndContainer stops a container and pod.
-func (cc *Crictl) StopPodAndContainer(podID, contID string) error {
- if err := cc.StopContainer(contID); err != nil {
- return fmt.Errorf("failed to stop container %q in pod %q: %v", contID, podID, err)
- }
-
- if err := cc.StopPod(podID); err != nil {
- return fmt.Errorf("failed to stop pod %q: %v", podID, err)
- }
-
- if err := cc.RmPod(podID); err != nil {
- return fmt.Errorf("failed to remove pod %q: %v", podID, err)
- }
-
- return nil
-}
-
-// run runs crictl with the given args and returns an error if it takes longer
-// than cc.Timeout to run.
-func (cc *Crictl) run(args ...string) (string, error) {
- defaultArgs := []string{
- "--image-endpoint", cc.imageEndpoint,
- "--runtime-endpoint", cc.runtimeEndpoint,
- }
- cmd := exec.Command(cc.executable, append(defaultArgs, args...)...)
-
- // Run the command with a timeout.
- done := make(chan string)
- errCh := make(chan error)
- go func() {
- output, err := cmd.CombinedOutput()
- if err != nil {
- errCh <- fmt.Errorf("error: \"%v\", output: %s", err, string(output))
- return
- }
- done <- string(output)
- }()
- select {
- case output := <-done:
- return output, nil
- case err := <-errCh:
- return "", err
- case <-time.After(cc.timeout):
- if err := testutil.KillCommand(cmd); err != nil {
- return "", fmt.Errorf("timed out, then couldn't kill process %+v: %v", cmd, err)
- }
- return "", fmt.Errorf("timed out: %+v", cmd)
- }
-}
diff --git a/runsc/dockerutil/BUILD b/runsc/dockerutil/BUILD
deleted file mode 100644
index 8621af901..000000000
--- a/runsc/dockerutil/BUILD
+++ /dev/null
@@ -1,14 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "dockerutil",
- testonly = 1,
- srcs = ["dockerutil.go"],
- visibility = ["//:sandbox"],
- deps = [
- "//runsc/testutil",
- "@com_github_kr_pty//:go_default_library",
- ],
-)
diff --git a/runsc/dockerutil/dockerutil.go b/runsc/dockerutil/dockerutil.go
deleted file mode 100644
index f009486bc..000000000
--- a/runsc/dockerutil/dockerutil.go
+++ /dev/null
@@ -1,486 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package dockerutil is a collection of utility functions, primarily for
-// testing.
-package dockerutil
-
-import (
- "encoding/json"
- "flag"
- "fmt"
- "io/ioutil"
- "log"
- "os"
- "os/exec"
- "path"
- "regexp"
- "strconv"
- "strings"
- "syscall"
- "time"
-
- "github.com/kr/pty"
- "gvisor.dev/gvisor/runsc/testutil"
-)
-
-var (
- // runtime is the runtime to use for tests. This will be applied to all
- // containers. Note that the default here ("runsc") corresponds to the
- // default used by the installations. This is important, because the
- // default installer for vm_tests (in tools/installers:head, invoked
- // via tools/vm:defs.bzl) will install with this name. So without
- // changing anything, tests should have a runsc runtime available to
- // them. Otherwise installers should update the existing runtime
- // instead of installing a new one.
- runtime = flag.String("runtime", "runsc", "specify which runtime to use")
-
- // config is the default Docker daemon configuration path.
- config = flag.String("config_path", "/etc/docker/daemon.json", "configuration file for reading paths")
-)
-
-// EnsureSupportedDockerVersion checks if correct docker is installed.
-func EnsureSupportedDockerVersion() {
- cmd := exec.Command("docker", "version")
- out, err := cmd.CombinedOutput()
- if err != nil {
- log.Fatalf("Error running %q: %v", "docker version", err)
- }
- re := regexp.MustCompile(`Version:\s+(\d+)\.(\d+)\.\d.*`)
- matches := re.FindStringSubmatch(string(out))
- if len(matches) != 3 {
- log.Fatalf("Invalid docker output: %s", out)
- }
- major, _ := strconv.Atoi(matches[1])
- minor, _ := strconv.Atoi(matches[2])
- if major < 17 || (major == 17 && minor < 9) {
- log.Fatalf("Docker version 17.09.0 or greater is required, found: %02d.%02d", major, minor)
- }
-}
-
-// RuntimePath returns the binary path for the current runtime.
-func RuntimePath() (string, error) {
- // Read the configuration data; the file must exist.
- configBytes, err := ioutil.ReadFile(*config)
- if err != nil {
- return "", err
- }
-
- // Unmarshal the configuration.
- c := make(map[string]interface{})
- if err := json.Unmarshal(configBytes, &c); err != nil {
- return "", err
- }
-
- // Decode the expected configuration.
- r, ok := c["runtimes"]
- if !ok {
- return "", fmt.Errorf("no runtimes declared: %v", c)
- }
- rs, ok := r.(map[string]interface{})
- if !ok {
- // The runtimes are not a map.
- return "", fmt.Errorf("unexpected format: %v", c)
- }
- r, ok = rs[*runtime]
- if !ok {
- // The expected runtime is not declared.
- return "", fmt.Errorf("runtime %q not found: %v", *runtime, c)
- }
- rs, ok = r.(map[string]interface{})
- if !ok {
- // The runtime is not a map.
- return "", fmt.Errorf("unexpected format: %v", c)
- }
- p, ok := rs["path"].(string)
- if !ok {
- // The runtime does not declare a path.
- return "", fmt.Errorf("unexpected format: %v", c)
- }
- return p, nil
-}
-
-// MountMode describes if the mount should be ro or rw.
-type MountMode int
-
-const (
- // ReadOnly is what the name says.
- ReadOnly MountMode = iota
- // ReadWrite is what the name says.
- ReadWrite
-)
-
-// String returns the mount mode argument for this MountMode.
-func (m MountMode) String() string {
- switch m {
- case ReadOnly:
- return "ro"
- case ReadWrite:
- return "rw"
- }
- panic(fmt.Sprintf("invalid mode: %d", m))
-}
-
-// MountArg formats the volume argument to mount in the container.
-func MountArg(source, target string, mode MountMode) string {
- return fmt.Sprintf("-v=%s:%s:%v", source, target, mode)
-}
-
-// LinkArg formats the link argument.
-func LinkArg(source *Docker, target string) string {
- return fmt.Sprintf("--link=%s:%s", source.Name, target)
-}
-
-// PrepareFiles creates temp directory to copy files there. The sandbox doesn't
-// have access to files in the test dir.
-func PrepareFiles(names ...string) (string, error) {
- dir, err := ioutil.TempDir("", "image-test")
- if err != nil {
- return "", fmt.Errorf("ioutil.TempDir failed: %v", err)
- }
- if err := os.Chmod(dir, 0777); err != nil {
- return "", fmt.Errorf("os.Chmod(%q, 0777) failed: %v", dir, err)
- }
- for _, name := range names {
- src, err := testutil.FindFile(name)
- if err != nil {
- return "", fmt.Errorf("testutil.Preparefiles(%q) failed: %v", name, err)
- }
- dst := path.Join(dir, path.Base(name))
- if err := testutil.Copy(src, dst); err != nil {
- return "", fmt.Errorf("testutil.Copy(%q, %q) failed: %v", src, dst, err)
- }
- }
- return dir, nil
-}
-
-// do executes docker command.
-func do(args ...string) (string, error) {
- log.Printf("Running: docker %s\n", args)
- cmd := exec.Command("docker", args...)
- out, err := cmd.CombinedOutput()
- if err != nil {
- return "", fmt.Errorf("error executing docker %s: %v\nout: %s", args, err, out)
- }
- return string(out), nil
-}
-
-// doWithPty executes docker command with stdio attached to a pty.
-func doWithPty(args ...string) (*exec.Cmd, *os.File, error) {
- log.Printf("Running with pty: docker %s\n", args)
- cmd := exec.Command("docker", args...)
- ptmx, err := pty.Start(cmd)
- if err != nil {
- return nil, nil, fmt.Errorf("error executing docker %s with a pty: %v", args, err)
- }
- return cmd, ptmx, nil
-}
-
-// Pull pulls a docker image. This is used in tests to isolate the
-// time to pull the image off the network from the time to actually
-// start the container, to avoid timeouts over slow networks.
-func Pull(image string) error {
- _, err := do("pull", image)
- return err
-}
-
-// Docker contains the name and the runtime of a docker container.
-type Docker struct {
- Runtime string
- Name string
-}
-
-// MakeDocker sets up the struct for a Docker container.
-// Names of containers will be unique.
-func MakeDocker(namePrefix string) Docker {
- return Docker{
- Name: testutil.RandomName(namePrefix),
- Runtime: *runtime,
- }
-}
-
-// logDockerID logs a container id, which is needed to find container runsc logs.
-func (d *Docker) logDockerID() {
- id, err := d.ID()
- if err != nil {
- log.Printf("%v\n", err)
- }
- log.Printf("Name: %s ID: %v\n", d.Name, id)
-}
-
-// Create calls 'docker create' with the arguments provided.
-func (d *Docker) Create(args ...string) error {
- a := []string{"create", "--runtime", d.Runtime, "--name", d.Name}
- a = append(a, args...)
- _, err := do(a...)
- if err == nil {
- d.logDockerID()
- }
- return err
-}
-
-// Start calls 'docker start'.
-func (d *Docker) Start() error {
- if _, err := do("start", d.Name); err != nil {
- return fmt.Errorf("error starting container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Stop calls 'docker stop'.
-func (d *Docker) Stop() error {
- if _, err := do("stop", d.Name); err != nil {
- return fmt.Errorf("error stopping container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Run calls 'docker run' with the arguments provided. The container starts
-// running in the background and the call returns immediately.
-func (d *Docker) Run(args ...string) error {
- a := d.runArgs("-d")
- a = append(a, args...)
- _, err := do(a...)
- if err == nil {
- d.logDockerID()
- }
- return err
-}
-
-// RunWithPty is like Run but with an attached pty.
-func (d *Docker) RunWithPty(args ...string) (*exec.Cmd, *os.File, error) {
- a := d.runArgs("-it")
- a = append(a, args...)
- return doWithPty(a...)
-}
-
-// RunFg calls 'docker run' with the arguments provided in the foreground. It
-// blocks until the container exits and returns the output.
-func (d *Docker) RunFg(args ...string) (string, error) {
- a := d.runArgs(args...)
- out, err := do(a...)
- if err == nil {
- d.logDockerID()
- }
- return string(out), err
-}
-
-func (d *Docker) runArgs(args ...string) []string {
- // Environment variable RUNSC_TEST_NAME is picked up by the runtime and added
- // to the log name, so one can easily identify the corresponding logs for
- // this test.
- rv := []string{"run", "--runtime", d.Runtime, "--name", d.Name, "-e", "RUNSC_TEST_NAME=" + d.Name}
- return append(rv, args...)
-}
-
-// Logs calls 'docker logs'.
-func (d *Docker) Logs() (string, error) {
- return do("logs", d.Name)
-}
-
-// Exec calls 'docker exec' with the arguments provided.
-func (d *Docker) Exec(args ...string) (string, error) {
- return d.ExecWithFlags(nil, args...)
-}
-
-// ExecWithFlags calls 'docker exec <flags> name <args>'.
-func (d *Docker) ExecWithFlags(flags []string, args ...string) (string, error) {
- a := []string{"exec"}
- a = append(a, flags...)
- a = append(a, d.Name)
- a = append(a, args...)
- return do(a...)
-}
-
-// ExecAsUser calls 'docker exec' as the given user with the arguments
-// provided.
-func (d *Docker) ExecAsUser(user string, args ...string) (string, error) {
- a := []string{"exec", "--user", user, d.Name}
- a = append(a, args...)
- return do(a...)
-}
-
-// ExecWithTerminal calls 'docker exec -it' with the arguments provided and
-// attaches a pty to stdio.
-func (d *Docker) ExecWithTerminal(args ...string) (*exec.Cmd, *os.File, error) {
- a := []string{"exec", "-it", d.Name}
- a = append(a, args...)
- return doWithPty(a...)
-}
-
-// Pause calls 'docker pause'.
-func (d *Docker) Pause() error {
- if _, err := do("pause", d.Name); err != nil {
- return fmt.Errorf("error pausing container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Unpause calls 'docker pause'.
-func (d *Docker) Unpause() error {
- if _, err := do("unpause", d.Name); err != nil {
- return fmt.Errorf("error unpausing container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Checkpoint calls 'docker checkpoint'.
-func (d *Docker) Checkpoint(name string) error {
- if _, err := do("checkpoint", "create", d.Name, name); err != nil {
- return fmt.Errorf("error pausing container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Restore calls 'docker start --checkname [name]'.
-func (d *Docker) Restore(name string) error {
- if _, err := do("start", "--checkpoint", name, d.Name); err != nil {
- return fmt.Errorf("error starting container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// Remove calls 'docker rm'.
-func (d *Docker) Remove() error {
- if _, err := do("rm", d.Name); err != nil {
- return fmt.Errorf("error deleting container %q: %v", d.Name, err)
- }
- return nil
-}
-
-// CleanUp kills and deletes the container (best effort).
-func (d *Docker) CleanUp() {
- d.logDockerID()
- if _, err := do("kill", d.Name); err != nil {
- if strings.Contains(err.Error(), "is not running") {
- // Nothing to kill. Don't log the error in this case.
- } else {
- log.Printf("error killing container %q: %v", d.Name, err)
- }
- }
- if err := d.Remove(); err != nil {
- log.Print(err)
- }
-}
-
-// FindPort returns the host port that is mapped to 'sandboxPort'. This calls
-// docker to allocate a free port in the host and prevent conflicts.
-func (d *Docker) FindPort(sandboxPort int) (int, error) {
- format := fmt.Sprintf(`{{ (index (index .NetworkSettings.Ports "%d/tcp") 0).HostPort }}`, sandboxPort)
- out, err := do("inspect", "-f", format, d.Name)
- if err != nil {
- return -1, fmt.Errorf("error retrieving port: %v", err)
- }
- port, err := strconv.Atoi(strings.TrimSuffix(string(out), "\n"))
- if err != nil {
- return -1, fmt.Errorf("error parsing port %q: %v", out, err)
- }
- return port, nil
-}
-
-// FindIP returns the IP address of the container as a string.
-func (d *Docker) FindIP() (string, error) {
- const format = `{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}`
- out, err := do("inspect", "-f", format, d.Name)
- if err != nil {
- return "", fmt.Errorf("error retrieving IP: %v", err)
- }
- return strings.TrimSpace(out), nil
-}
-
-// SandboxPid returns the PID to the sandbox process.
-func (d *Docker) SandboxPid() (int, error) {
- out, err := do("inspect", "-f={{.State.Pid}}", d.Name)
- if err != nil {
- return -1, fmt.Errorf("error retrieving pid: %v", err)
- }
- pid, err := strconv.Atoi(strings.TrimSuffix(string(out), "\n"))
- if err != nil {
- return -1, fmt.Errorf("error parsing pid %q: %v", out, err)
- }
- return pid, nil
-}
-
-// ID returns the container ID.
-func (d *Docker) ID() (string, error) {
- out, err := do("inspect", "-f={{.Id}}", d.Name)
- if err != nil {
- return "", fmt.Errorf("error retrieving ID: %v", err)
- }
- return strings.TrimSpace(string(out)), nil
-}
-
-// Wait waits for container to exit, up to the given timeout. Returns error if
-// wait fails or timeout is hit. Returns the application return code otherwise.
-// Note that the application may have failed even if err == nil, always check
-// the exit code.
-func (d *Docker) Wait(timeout time.Duration) (syscall.WaitStatus, error) {
- timeoutChan := time.After(timeout)
- waitChan := make(chan (syscall.WaitStatus))
- errChan := make(chan (error))
-
- go func() {
- out, err := do("wait", d.Name)
- if err != nil {
- errChan <- fmt.Errorf("error waiting for container %q: %v", d.Name, err)
- }
- exit, err := strconv.Atoi(strings.TrimSuffix(string(out), "\n"))
- if err != nil {
- errChan <- fmt.Errorf("error parsing exit code %q: %v", out, err)
- }
- waitChan <- syscall.WaitStatus(uint32(exit))
- }()
-
- select {
- case ws := <-waitChan:
- return ws, nil
- case err := <-errChan:
- return syscall.WaitStatus(1), err
- case <-timeoutChan:
- return syscall.WaitStatus(1), fmt.Errorf("timeout waiting for container %q", d.Name)
- }
-}
-
-// WaitForOutput calls 'docker logs' to retrieve containers output and searches
-// for the given pattern.
-func (d *Docker) WaitForOutput(pattern string, timeout time.Duration) (string, error) {
- matches, err := d.WaitForOutputSubmatch(pattern, timeout)
- if err != nil {
- return "", err
- }
- if len(matches) == 0 {
- return "", nil
- }
- return matches[0], nil
-}
-
-// WaitForOutputSubmatch calls 'docker logs' to retrieve containers output and
-// searches for the given pattern. It returns any regexp submatches as well.
-func (d *Docker) WaitForOutputSubmatch(pattern string, timeout time.Duration) ([]string, error) {
- re := regexp.MustCompile(pattern)
- var out string
- for exp := time.Now().Add(timeout); time.Now().Before(exp); {
- var err error
- out, err = d.Logs()
- if err != nil {
- return nil, err
- }
- if matches := re.FindStringSubmatch(out); matches != nil {
- // Success!
- return matches, nil
- }
- time.Sleep(100 * time.Millisecond)
- }
- return nil, fmt.Errorf("timeout waiting for output %q: %s", re.String(), out)
-}
diff --git a/runsc/testutil/BUILD b/runsc/testutil/BUILD
deleted file mode 100644
index 945405303..000000000
--- a/runsc/testutil/BUILD
+++ /dev/null
@@ -1,21 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "testutil",
- testonly = 1,
- srcs = [
- "testutil.go",
- "testutil_runfiles.go",
- ],
- visibility = ["//:sandbox"],
- deps = [
- "//pkg/log",
- "//pkg/sync",
- "//runsc/boot",
- "//runsc/specutils",
- "@com_github_cenkalti_backoff//:go_default_library",
- "@com_github_opencontainers_runtime-spec//specs-go:go_default_library",
- ],
-)
diff --git a/runsc/testutil/testutil.go b/runsc/testutil/testutil.go
deleted file mode 100644
index 5e09f8f16..000000000
--- a/runsc/testutil/testutil.go
+++ /dev/null
@@ -1,433 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package testutil contains utility functions for runsc tests.
-package testutil
-
-import (
- "bufio"
- "context"
- "debug/elf"
- "encoding/base32"
- "encoding/json"
- "flag"
- "fmt"
- "io"
- "io/ioutil"
- "math"
- "math/rand"
- "net/http"
- "os"
- "os/exec"
- "os/signal"
- "path"
- "path/filepath"
- "strconv"
- "strings"
- "sync/atomic"
- "syscall"
- "testing"
- "time"
-
- "github.com/cenkalti/backoff"
- specs "github.com/opencontainers/runtime-spec/specs-go"
- "gvisor.dev/gvisor/pkg/log"
- "gvisor.dev/gvisor/pkg/sync"
- "gvisor.dev/gvisor/runsc/boot"
- "gvisor.dev/gvisor/runsc/specutils"
-)
-
-var (
- checkpoint = flag.Bool("checkpoint", true, "control checkpoint/restore support")
-)
-
-func init() {
- rand.Seed(time.Now().UnixNano())
-}
-
-// IsCheckpointSupported returns the relevant command line flag.
-func IsCheckpointSupported() bool {
- return *checkpoint
-}
-
-// TmpDir returns the absolute path to a writable directory that can be used as
-// scratch by the test.
-func TmpDir() string {
- dir := os.Getenv("TEST_TMPDIR")
- if dir == "" {
- dir = "/tmp"
- }
- return dir
-}
-
-// ConfigureExePath configures the executable for runsc in the test environment.
-func ConfigureExePath() error {
- path, err := FindFile("runsc/runsc")
- if err != nil {
- return err
- }
- specutils.ExePath = path
- return nil
-}
-
-// TestConfig returns the default configuration to use in tests. Note that
-// 'RootDir' must be set by caller if required.
-func TestConfig(t *testing.T) *boot.Config {
- logDir := ""
- if dir, ok := os.LookupEnv("TEST_UNDECLARED_OUTPUTS_DIR"); ok {
- logDir = dir + "/"
- }
- return &boot.Config{
- Debug: true,
- DebugLog: path.Join(logDir, "runsc.log."+t.Name()+".%TIMESTAMP%.%COMMAND%"),
- LogFormat: "text",
- DebugLogFormat: "text",
- LogPackets: true,
- Network: boot.NetworkNone,
- Strace: true,
- Platform: "ptrace",
- FileAccess: boot.FileAccessExclusive,
- NumNetworkChannels: 1,
-
- TestOnlyAllowRunAsCurrentUserWithoutChroot: true,
- }
-}
-
-// NewSpecWithArgs creates a simple spec with the given args suitable for use
-// in tests.
-func NewSpecWithArgs(args ...string) *specs.Spec {
- return &specs.Spec{
- // The host filesystem root is the container root.
- Root: &specs.Root{
- Path: "/",
- Readonly: true,
- },
- Process: &specs.Process{
- Args: args,
- Env: []string{
- "PATH=" + os.Getenv("PATH"),
- },
- Capabilities: specutils.AllCapabilities(),
- },
- Mounts: []specs.Mount{
- // Hide the host /etc to avoid any side-effects.
- // For example, bash reads /etc/passwd and if it is
- // very big, tests can fail by timeout.
- {
- Type: "tmpfs",
- Destination: "/etc",
- },
- // Root is readonly, but many tests want to write to tmpdir.
- // This creates a writable mount inside the root. Also, when tmpdir points
- // to "/tmp", it makes the the actual /tmp to be mounted and not a tmpfs
- // inside the sentry.
- {
- Type: "bind",
- Destination: TmpDir(),
- Source: TmpDir(),
- },
- },
- Hostname: "runsc-test-hostname",
- }
-}
-
-// SetupRootDir creates a root directory for containers.
-func SetupRootDir() (string, error) {
- rootDir, err := ioutil.TempDir(TmpDir(), "containers")
- if err != nil {
- return "", fmt.Errorf("error creating root dir: %v", err)
- }
- return rootDir, nil
-}
-
-// SetupContainer creates a bundle and root dir for the container, generates a
-// test config, and writes the spec to config.json in the bundle dir.
-func SetupContainer(spec *specs.Spec, conf *boot.Config) (rootDir, bundleDir string, err error) {
- rootDir, err = SetupRootDir()
- if err != nil {
- return "", "", err
- }
- conf.RootDir = rootDir
- bundleDir, err = SetupBundleDir(spec)
- return rootDir, bundleDir, err
-}
-
-// SetupBundleDir creates a bundle dir and writes the spec to config.json.
-func SetupBundleDir(spec *specs.Spec) (bundleDir string, err error) {
- bundleDir, err = ioutil.TempDir(TmpDir(), "bundle")
- if err != nil {
- return "", fmt.Errorf("error creating bundle dir: %v", err)
- }
-
- if err = writeSpec(bundleDir, spec); err != nil {
- return "", fmt.Errorf("error writing spec: %v", err)
- }
- return bundleDir, nil
-}
-
-// writeSpec writes the spec to disk in the given directory.
-func writeSpec(dir string, spec *specs.Spec) error {
- b, err := json.Marshal(spec)
- if err != nil {
- return err
- }
- return ioutil.WriteFile(filepath.Join(dir, "config.json"), b, 0755)
-}
-
-// UniqueContainerID generates a unique container id for each test.
-//
-// The container id is used to create an abstract unix domain socket, which must
-// be unique. While the container forbids creating two containers with the same
-// name, sometimes between test runs the socket does not get cleaned up quickly
-// enough, causing container creation to fail.
-func UniqueContainerID() string {
- // Read 20 random bytes.
- b := make([]byte, 20)
- // "[Read] always returns len(p) and a nil error." --godoc
- if _, err := rand.Read(b); err != nil {
- panic("rand.Read failed: " + err.Error())
- }
- // base32 encode the random bytes, so that the name is a valid
- // container id and can be used as a socket name in the filesystem.
- return fmt.Sprintf("test-container-%s", base32.StdEncoding.EncodeToString(b))
-}
-
-// Copy copies file from src to dst.
-func Copy(src, dst string) error {
- in, err := os.Open(src)
- if err != nil {
- return err
- }
- defer in.Close()
-
- out, err := os.Create(dst)
- if err != nil {
- return err
- }
- defer out.Close()
-
- _, err = io.Copy(out, in)
- return err
-}
-
-// Poll is a shorthand function to poll for something with given timeout.
-func Poll(cb func() error, timeout time.Duration) error {
- ctx, cancel := context.WithTimeout(context.Background(), timeout)
- defer cancel()
- b := backoff.WithContext(backoff.NewConstantBackOff(100*time.Millisecond), ctx)
- return backoff.Retry(cb, b)
-}
-
-// WaitForHTTP tries GET requests on a port until the call succeeds or timeout.
-func WaitForHTTP(port int, timeout time.Duration) error {
- cb := func() error {
- c := &http.Client{
- // Calculate timeout to be able to do minimum 5 attempts.
- Timeout: timeout / 5,
- }
- url := fmt.Sprintf("http://localhost:%d/", port)
- resp, err := c.Get(url)
- if err != nil {
- log.Infof("Waiting %s: %v", url, err)
- return err
- }
- resp.Body.Close()
- return nil
- }
- return Poll(cb, timeout)
-}
-
-// Reaper reaps child processes.
-type Reaper struct {
- // mu protects ch, which will be nil if the reaper is not running.
- mu sync.Mutex
- ch chan os.Signal
-}
-
-// Start starts reaping child processes.
-func (r *Reaper) Start() {
- r.mu.Lock()
- defer r.mu.Unlock()
-
- if r.ch != nil {
- panic("reaper.Start called on a running reaper")
- }
-
- r.ch = make(chan os.Signal, 1)
- signal.Notify(r.ch, syscall.SIGCHLD)
-
- go func() {
- for {
- r.mu.Lock()
- ch := r.ch
- r.mu.Unlock()
- if ch == nil {
- return
- }
-
- _, ok := <-ch
- if !ok {
- // Channel closed.
- return
- }
- for {
- cpid, _ := syscall.Wait4(-1, nil, syscall.WNOHANG, nil)
- if cpid < 1 {
- break
- }
- }
- }
- }()
-}
-
-// Stop stops reaping child processes.
-func (r *Reaper) Stop() {
- r.mu.Lock()
- defer r.mu.Unlock()
-
- if r.ch == nil {
- panic("reaper.Stop called on a stopped reaper")
- }
-
- signal.Stop(r.ch)
- close(r.ch)
- r.ch = nil
-}
-
-// StartReaper is a helper that starts a new Reaper and returns a function to
-// stop it.
-func StartReaper() func() {
- r := &Reaper{}
- r.Start()
- return r.Stop
-}
-
-// WaitUntilRead reads from the given reader until the wanted string is found
-// or until timeout.
-func WaitUntilRead(r io.Reader, want string, split bufio.SplitFunc, timeout time.Duration) error {
- sc := bufio.NewScanner(r)
- if split != nil {
- sc.Split(split)
- }
- // done must be accessed atomically. A value greater than 0 indicates
- // that the read loop can exit.
- var done uint32
- doneCh := make(chan struct{})
- go func() {
- for sc.Scan() {
- t := sc.Text()
- if strings.Contains(t, want) {
- atomic.StoreUint32(&done, 1)
- close(doneCh)
- break
- }
- if atomic.LoadUint32(&done) > 0 {
- break
- }
- }
- }()
- select {
- case <-time.After(timeout):
- atomic.StoreUint32(&done, 1)
- return fmt.Errorf("timeout waiting to read %q", want)
- case <-doneCh:
- return nil
- }
-}
-
-// KillCommand kills the process running cmd unless it hasn't been started. It
-// returns an error if it cannot kill the process unless the reason is that the
-// process has already exited.
-func KillCommand(cmd *exec.Cmd) error {
- if cmd.Process == nil {
- return nil
- }
- if err := cmd.Process.Kill(); err != nil {
- if !strings.Contains(err.Error(), "process already finished") {
- return fmt.Errorf("failed to kill process %v: %v", cmd, err)
- }
- }
- return nil
-}
-
-// WriteTmpFile writes text to a temporary file, closes the file, and returns
-// the name of the file.
-func WriteTmpFile(pattern, text string) (string, error) {
- file, err := ioutil.TempFile(TmpDir(), pattern)
- if err != nil {
- return "", err
- }
- defer file.Close()
- if _, err := file.Write([]byte(text)); err != nil {
- return "", err
- }
- return file.Name(), nil
-}
-
-// RandomName create a name with a 6 digit random number appended to it.
-func RandomName(prefix string) string {
- return fmt.Sprintf("%s-%06d", prefix, rand.Int31n(1000000))
-}
-
-// IsStatic returns true iff the given file is a static binary.
-func IsStatic(filename string) (bool, error) {
- f, err := elf.Open(filename)
- if err != nil {
- return false, err
- }
- for _, prog := range f.Progs {
- if prog.Type == elf.PT_INTERP {
- return false, nil // Has interpreter.
- }
- }
- return true, nil
-}
-
-// TestIndicesForShard returns indices for this test shard based on the
-// TEST_SHARD_INDEX and TEST_TOTAL_SHARDS environment vars.
-//
-// If either of the env vars are not present, then the function will return all
-// tests. If there are more shards than there are tests, then the returned list
-// may be empty.
-func TestIndicesForShard(numTests int) ([]int, error) {
- var (
- shardIndex = 0
- shardTotal = 1
- )
-
- indexStr, totalStr := os.Getenv("TEST_SHARD_INDEX"), os.Getenv("TEST_TOTAL_SHARDS")
- if indexStr != "" && totalStr != "" {
- // Parse index and total to ints.
- var err error
- shardIndex, err = strconv.Atoi(indexStr)
- if err != nil {
- return nil, fmt.Errorf("invalid TEST_SHARD_INDEX %q: %v", indexStr, err)
- }
- shardTotal, err = strconv.Atoi(totalStr)
- if err != nil {
- return nil, fmt.Errorf("invalid TEST_TOTAL_SHARDS %q: %v", totalStr, err)
- }
- }
-
- // Calculate!
- var indices []int
- numBlocks := int(math.Ceil(float64(numTests) / float64(shardTotal)))
- for i := 0; i < numBlocks; i++ {
- pick := i*shardTotal + shardIndex
- if pick < numTests {
- indices = append(indices, pick)
- }
- }
- return indices, nil
-}
diff --git a/runsc/testutil/testutil_runfiles.go b/runsc/testutil/testutil_runfiles.go
deleted file mode 100644
index ece9ea9a1..000000000
--- a/runsc/testutil/testutil_runfiles.go
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package testutil
-
-import (
- "fmt"
- "os"
- "path/filepath"
-)
-
-// FindFile searchs for a file inside the test run environment. It returns the
-// full path to the file. It fails if none or more than one file is found.
-func FindFile(path string) (string, error) {
- wd, err := os.Getwd()
- if err != nil {
- return "", err
- }
-
- // The test root is demarcated by a path element called "__main__". Search for
- // it backwards from the working directory.
- root := wd
- for {
- dir, name := filepath.Split(root)
- if name == "__main__" {
- break
- }
- if len(dir) == 0 {
- return "", fmt.Errorf("directory __main__ not found in %q", wd)
- }
- // Remove ending slash to loop around.
- root = dir[:len(dir)-1]
- }
-
- // Annoyingly, bazel adds the build type to the directory path for go
- // binaries, but not for c++ binaries. We use two different patterns to
- // to find our file.
- patterns := []string{
- // Try the obvious path first.
- filepath.Join(root, path),
- // If it was a go binary, use a wildcard to match the build
- // type. The pattern is: /test-path/__main__/directories/*/file.
- filepath.Join(root, filepath.Dir(path), "*", filepath.Base(path)),
- }
-
- for _, p := range patterns {
- matches, err := filepath.Glob(p)
- if err != nil {
- // "The only possible returned error is ErrBadPattern,
- // when pattern is malformed." -godoc
- return "", fmt.Errorf("error globbing %q: %v", p, err)
- }
- switch len(matches) {
- case 0:
- // Try the next pattern.
- case 1:
- // We found it.
- return matches[0], nil
- default:
- return "", fmt.Errorf("more than one match found for %q: %s", path, matches)
- }
- }
- return "", fmt.Errorf("file %q not found", path)
-}